Severe childhood <a href="https://www.earth.com/news/childhood-obesity-rates-spiked-during-the-pandemic/" target="_blank" rel="noreferrer noopener">obesity</a> can drastically reduce life expectancy, cutting it nearly in half. A recent global study has provided detailed insights into how the age of onset, severity, and duration of childhood obesity affect long-term health and life expectancy.



<h2 class="wp-block-heading" id="h-long-term-impact-of-childhood-obesity">Long-term impact of childhood obesity</h2>



New research presented at the European Congress on Obesity (ECO) in Venice, Italy, has quantified the impact of different aspects of childhood obesity on long-term health for the first time. 



The study, conducted by <a href="https://www.stradoo.com/" target="_blank" rel="noreferrer noopener">stradoo GmbH</a>, a life sciences consultancy in Munich, Germany, was supported by Rhythm Pharmaceuticals. The project was led by Dr. Urs Wiedemann and his colleagues from universities and hospitals across Europe and the United States.



The experts found that the earlier a child develops obesity, the more severe the long-term effects. For instance, a child living with severe obesity at age four, who does not lose weight, has a life expectancy of just 39 years - about half the average life expectancy.



<h2 class="wp-block-heading" id="h-the-findings-in-detail">The findings in detail</h2>



“While it’s widely accepted that childhood obesity increases the risk of <a href="https://www.earth.com/news/steep-rise-in-cardiovascular-disease-expected-in-the-u-s/" target="_blank" rel="noreferrer noopener">cardiovascular disease</a> and related conditions such as type 2 diabetes (T2D), and that it can reduce life expectancy, evidence on the size of the impact has been patchy," said Dr. Wiedemann.



"A better understanding of the precise magnitude of the long-term consequences and the factors that drive them could help inform prevention policies and approaches to treatment, as well as improve health and lengthen life.”



The researchers created an early onset obesity model. This model estimates the effect of childhood obesity on cardiovascular disease and related conditions like T2D, as well as <a href="https://www.earth.com/news/women-in-the-us-now-live-6-years-longer-than-men-as-life-expectancy-gap-widens/" target="_blank" rel="noreferrer noopener">life expectancy</a>. 



Four key variables were included: age of obesity onset, obesity duration, irreversible risk accumulation (a measure of irreversible health effects even after weight loss), and severity of obesity.



<h2 class="wp-block-heading" id="h-critical-factors">Critical factors</h2>



The severity of childhood obesity was measured using BMI Z-scores, which indicate how much an individual’s BMI deviates from the norm for their age and sex. 



For example, a four-year-old boy with a BMI Z-score of 3.5, indicating severe obesity, has a life expectancy of just 39 years if he does not <a href="https://www.earth.com/news/morning-exercise-may-be-the-best-way-to-lose-weight-study-reveals/" target="_blank" rel="noreferrer noopener">lose weight</a>.



Data for the model came from 50 existing clinical studies on obesity and related comorbidities, involving over 10 million participants worldwide. Approximately 2.7 million of these individuals were between two and 29 years of age.



<h2 class="wp-block-heading" id="h-the-risks-of-severe-childhood-obesity">The risks of severe childhood obesity</h2>



The model shows that earlier onset and more severe childhood obesity elevate the likelihood of developing related health issues later in life. 



For example, a child with a BMI Z-score of 3.5 at age four has a 27% likelihood of developing type 2 diabetes by age 25 and a 45% chance by age 35. In contrast, a child with a BMI Z-score of 2 at age four has a 6.5% chance of developing type 2 diabetes by age 25 and 22% by age 35.



Higher BMI Z-scores at an early age also lead to a lower life expectancy. For instance, a BMI Z-score of 2 at age four without subsequent weight reduction reduces life expectancy from about 80 years to 65 years. The life expectancy drops further to 50 years for a BMI Z-score of 2.5 and 39 years for a BMI Z-score of 3.5.



<h2 class="wp-block-heading" id="h-implications-for-early-weight-loss">Implications for early weight loss</h2>



Comparisons with other studies and expert opinions confirmed the model’s accuracy. Furthermore, the model also demonstrated the positive impact of <a href="https://www.earth.com/news/heart-health-benefits-of-weight-loss-persist-for-years/" target="_blank" rel="noreferrer noopener">weight loss</a> on life expectancy and long-term health.



For example, a child with severe early onset obesity (BMI Z-score of 4 at age four) has a life expectancy of 37 years and a 55% risk of developing T2D by age 35. If the child loses weight, reducing the BMI Z-score to 2 by age six, life expectancy increases to 64 years, and the risk of T2D drops to 29 percent.



“The early onset obesity model shows that weight reduction has a striking effect on life expectancy and comorbidity risk, especially when weight is lost early in life,” said Dr. Wiedemann.



<h2 class="wp-block-heading" id="h-addressing-childhood-obesity">Addressing childhood obesity</h2>



The model has some limitations. It does not account for the causes of obesity, genetic risk factors, ethnic or sex differences, or the interactions between different co-morbidities.



“The impact of childhood obesity on life expectancy is profound. It is clear that childhood obesity should be considered a life-threatening disease. It is vital that treatment isn’t put off until the development of type 2 diabetes, high blood pressure, or other ‘warning signs’ but starts early. Early diagnosis should and can improve quality and length of life,” concluded Dr. Wiedemann.



-----



Like what you read? <a href="https://www.earth.com/subscribe/" target="_blank" rel="noreferrer noopener">Subscribe to our newsletter</a> for engaging articles, exclusive content, and the latest updates.&nbsp;



Check us out on <a href="https://www.earth.com/earthsnap/" target="_blank" rel="noreferrer noopener">EarthSnap</a>, a free app brought to you by <a href="https://www.earth.com/author/eralls/" target="_blank" rel="noreferrer noopener">Eric Ralls</a> and Earth.com.



-----

Severe childhood obesity can cut life expectancy in half

Severe childhood obesity can drastically reduce life expectancy, cutting it nearly in half. A recent global study has provided detailed insights into how the age of onset, severity, and duration of childhood obesity affect long-term health and life expectancy. Long-term impact of childhood obesity New research presented at the European Congress on Obesity (ECO) in Venice, Italy, has quantified the impact of different aspects of childhood obesity on long-term health for the first time. The study, conducted by stradoo GmbH, a life sciences consultancy in Munich, Germany,...

<div></div>
<div>

Global coral bleaching event leaves surviving corals very sick. Death is only one possible outcome from coral bleaching caused by rising sea temperatures due to global warming. <a href="http://www.earth.com/image/saint-george-basin-in-northwestern-australia/">Australian</a> scientists report that many surviving corals affected by recent global coral bleaching from high sea temperatures on the northern Great Barrier Reef are the sickest they have ever seen.

"We measured the condition of surviving corals as part of our extensive underwater surveys of Australia's worst ever bleaching event. We found that coral bleaching has affected 93% of the Great Barrier Reef. While the central and southern regions have escaped with minor damage, nearly half of the corals have been killed by mass bleaching in the northern region," says Professor Terry Hughes from the ARC Centre of Excellence for <a href="https://en.wikipedia.org/wiki/Coral_reef">Coral Reef</a> Studies at James Cook University (JCU) in Townsville, Queensland.

"Normally when bleaching kills corals it is a slow death, that progresses steadily when temperatures remain high," says Associate Professor Bill Leggat, also from the ARC Centre at JCU.

"The corals usually rely on mechanisms that help them fight and counteract the damage but this time, on some reefs, it looks like they have died very quickly.

Corals depend upon algae that live within their tissues. These algae, called zooxanthellae, utilise light to generate sugar and nutrients, which are transported to the coral host. It is this energy that allows corals to grow and produce reefs. The partnership between corals and the microscopic algae (zooxanthellae) that lives in their tissues breaks down when temperatures are too high, causing coral bleaching. For corals to recover they need the tissues to remain intact while the remaining zooxanthellae slowly repopulate the tissues.

"Healthy corals have between one and two million zooxanthellae per square centimetre," says Leggat. "During past bleaching events, these numbers have dropped to about 200,000 cells per square centimetre. Now we are finding in this very severe bleaching event that some corals have no zooxanthallae remaining in their tissues at all."

The scientists found that severely bleached corals had an average of only 4,000 algae per square centimetre. This amount is 500 times less than in a healthy coral and 50 times less than reported for corals that survived previous bleaching events. This profound loss of algae means that many of the corals that have bleached, have little chance of recovering, because they have no zooxanthellae left to repopulate the coral tissue.

"These corals are amongst the most damaged I have seen," says Dr. Leggat.

"For some surviving corals in the Northern Great Barrier Reef, over 50% of the coral cells are dead. In some regions the corals were so badly damaged that we were unable to study their tissue because it was rotting away."

Tragically, the ongoing damage from bleaching has been highest in the northern 700km of the Great Barrier Reef all the way up to Papua New Guinea, the most remote and - until now - the most pristine section of the Great Barrier Reef," says Professor John Pandolfi from the ARC Centre at the University of Queensland.

Given the extent of morality and the damage observed to individual corals it is vital to understand the recovery processes of bleached coral. Even if they recover their color, scientists predict that the surviving corals will show other longer-term symptoms, including reduced growth rates and lower reproduction.
###
Note: Bill Leggat, Terry Hughes and John Pandolfi are presenting at the 13th International Coral Reef Symposium in Hawaii. The scientists will be available for media interviews on Monday 20 June at 10:30am in the ICRS2016 media room

Dropbox Images: <a href="http://bit.ly/28IlISr" target="_blank" rel="noopener noreferrer">http://bit.ly/28IlISr</a>

For interviews contact:

Bill Leggat
Associate Professor
ARC Centre of Excellence for Coral Reef Studies
Phone: +1 (808) 722 4013
Email: <a href="mailto:bill.leggat@jcu.edu.au">bill.leggat@jcu.edu.au</a>

Professor Terry Hughes
ARC Centre of Excellence for Coral Reef Studies
Phone: +61-400720164
Email: <a href="mailto:terry.hughes@jcu.edu.au">terry.hughes@jcu.edu.au</a>

Professor John Pandolfi
ARC Centre of Excellence for Coral Reef Studies
Phone: ?+1 (808) 729-6951???
Email: <a href="mailto:j.pandolfi@uq.edu.au">j.pandolfi@uq.edu.au</a>

Kylie Simmonds
Communications Manager
ARC Centre of Excellence for Coral Reef Studies
James Cook University, Townsville
Phone: +61 (0) 428 785 895
Email: <a href="mailto:kylie.simmonds1@jcu.edu.au">kylie.simmonds1@jcu.edu.au</a>

</div>

Global coral bleaching event leaves surviving corals very sick

Global coral bleaching event leaves surviving corals very sick. Death...

<div></div>
<div>

Tropical Storm Danielle forms along Mexico coast. NASA and NOAA satellites saw the tropical low pressure area formerly known as System 94L, Tropical Storm Danielle develop into tropical depression 4 then become the fourth named tropical cyclone of the North Atlantic Hurricane Season on June 20.

On June 19, the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard <a href="http://www.earth.com/news/nasa-provides-key-insights-into-sea-level-rise/">NASA</a>-NOAA-DOD's Suomi NPP satellite captured a visible light image of System 94L as it was consolidating into tropical depression in the Bay of Campeche. System 94L became Tropical Depression 4 by 5 p.m. EDT/4 p.m. CDT when its center was about 190 miles (305 km) east-southeast of Tuxpan, Mexico.

An animation NOAA's GOES-East satellite imagery from June 18 to 20 was created by the NASA/NOAA GOES Project at NASA's Goddard Space Flight Center in Greenbelt, Maryland. The animation shows the development of System 94L in the western Caribbean Sea and movement of the storm into the Bay of Campeche and Southwestern Gulf of Mexico where it strengthened into Tropical Depression 4 and then Tropical Storm Danielle.

On June 20 a Tropical Storm Warning was in effect from Laguna Verde to Rio Panuco, <a href="https://www.bing.com/search?q=mexico&amp;form=EDGEAR&amp;qs=PF&amp;cvid=17e6907ad7bb4bc3b898e76d73a79267&amp;cc=US&amp;setlang=en-US&amp;elv=AY3%21uAY7tbNNZGZ2yiGNjfNO4RA7ltALoNE5SspyvjPiVf3uFQf62I41vRWYnDbJeBNty0SBX%21xnM1aSeVbWFYfi6hKOhsyGwaiyO0m2QxMD&amp;plvar=0&amp;PC=HCTS">Mexico</a> as Danielle was spreading heavy rain across eastern Mexico.

Danielle developed in the Bay of Campeche and moved west toward the east coast of Mexico.

[ooyala code="JtNjJhNDE6otsZ5HXkx6CBfiyNYA6rd2" player_id="ce75157bc770441eaf5e849ae4d1d21f" width="900" height="500"]

At 10 a.m. CDT (1500 UTC) on Monday, June 20, 2016 the center of Tropical Storm Danielle was located near 20.7 degrees north latitude and 96.3 degrees west longitude. That puts the storm's center about 75 miles (120 km) east-southeast of Tuxpan, Mexico and about 105 miles (165 km) north of Veracruz.

The National Hurricane Center said that Danielle was moving toward the west near 7 mph (11 kph). A motion toward the west or west-northwest is expected during the next day or so. On the forecast track, the center of Danielle is expected to move inland over eastern Mexico later today or tonight. The estimated minimum central pressure is 1007 millibars.

Maximum sustained winds have increased to near 45 mph (75 kph) with higher gusts. Little change in strength is expected before Danielle makes landfall in Mexico later today.
###
For updated forecasts and local effects including rainfall, storm surge and winds, visit: <a href="http://www.nhc.noaa.gov/" target="_blank" rel="noopener noreferrer">http://www.nhc.noaa.gov</a>

</div>

Tropical Storm Danielle forms along Mexico coast

Tropical Storm Danielle forms along Mexico coast. NASA and NOAA...

<div></div>
<div>

How China can ramp up wind power. China has an opportunity to massively increase its use of wind power -- if it properly integrates wind into its existing power system, according to a newly published MIT study.

The study forecasts that wind power could provide 26 percent of China's projected electricity demand by 2030, up from 3 percent in 2015. Such a change would be a substantial gain in the global transition to renewable energy, since China produces the most total greenhouse gas <a href="http://www.earth.com/news/residents-of-louisville-reap-the-health-benefits-of-reduced-emissions/">emissions</a> of any country in the world.

But the projection comes with a catch. <a href="https://www.bing.com/search?q=china&amp;form=EDGEAR&amp;qs=PF&amp;cvid=4ea65059f97345ba834f32a8982de86d&amp;cc=US&amp;setlang=en-US&amp;elv=AY3%21uAY7tbNNZGZ2yiGNjfNO4RA7ltALoNE5SspyvjPiuygTspKrKEvt0Q6eAs81j9xEty0Mjnlxwjw5*nK1z67zKysTrl52PD0K%21mrx7uEo&amp;plvar=0&amp;PC=HCTS">China</a> should not necessarily build more wind power in its windiest areas, the study finds. Instead, it should build more wind turbines in areas where they can be more easily integrated into the operations of its existing electricity grid.

"Wind that is built in distant, resource-rich areas benefits from more favorable physical properties but suffers from existing constraints on the operation of the power system," states Valerie Karplus, an assistant professor at the MIT Sloan School of Management, director of the Tsinghua-MIT China Energy and Climate Project, and a member of the MIT Energy Initiative. Those constraints include greater transmission costs and the cost of "curtailment," when available wind power is not used.

The paper, "Integrating wind into China's coal-heavy electricity system," is appearing in Nature Energy. In addition to Karplus, the authors are Michael R. Davidson, a graduate student in MIT's Joint Program on the Science and Policy of Global Change and the MIT Institute for Data, Systems, and Society; Da Zhang, a postdoc in MIT's Joint Program on the Science and Policy of Global Change; and Weiming Xei and Xiliang Zhang of Tsinghua University. Karplus and Zhang are the corresponding authors of the paper, and lead an MIT-Tsinghua collaboration focused on managing energy and climate change in China.

Co-existing with coal

While China has invested heavily in renewable energy sources in recent years, more investment in the sector will be needed if the country is to meet its pledge of having 20 percent of its energy consumption come from non-fossil fuel sources by the year 2030, as part of the Paris climate agreement of 2015.

While several previous studies have evaluated China's wind-energy potential based on the country's natural environment, the MIT study is the first to study how wind energy could expand, based on simulations of China's power system operations.

When operational constraints are considered, the MIT team found, China may only be able to use 10 percent of the physical potential for wind power cited in their analysis and other studies. Nevertheless, even harnessing that 10 percent would be enough for wind power to provide the study's estimated 26 percent of electricity by 2030.

A key challenge the study identifies is integrating wind power into a system that has traditionally been geared toward consumption of coal. Wind power, being intermittent, currently requires flexibility in the operation of the electricity system to ensure wind can be used when it is available.

That, in turn, requires flexibility in the delivery of electricity from coal-fired power plants, which accounted for over 70 percent of electricity generated in China in 2015. However, China has regulations determining high minimum output levels for many coal-powered electricity plants, to ensure the profitability of those plants. Reducing these requirements and creating more flexible generation schedules for coal would create more space for wind power.

"Renewable energy plays a central role in China's efforts to address climate change and local air quality," Da Zhang explains. "China plans to substantially increase the amount of wind electricity capacity in the future, but its utilization -- and ultimately its contribution to these environmental goals -- depends on whether or not integration challenges can be solved."

New policies possible?

As the researchers see it, new policies can help create the conditions for increased use of wind power -- but may be difficult to implement. As Davidson notes, "establishing regulatory structures and policy incentives to capture these benefits will be difficult in China because of legacy institutions."

And as Karplus adds, current regulations have been designed to ensure profitability for power producers, rather than making them compete to lower costs. "Existing policies prioritize sharing benefits equally among participants rather than facing strict price competition," she says. "As electricity demand growth has slowed in recent years, the limited size of the pie means sharper conflicts between wind and coal."

To be sure, as Karplus notes, government planners in China have been experimenting with using energy markets that do not rely strictly on the system that uses a quota for coal power, but encourages competition for long-term contracts to deliver coal-based electricity, while creating additional markets for flexible operation.

Such market mechanisms could prove beneficial to renewable energy sources, principally wind and solar power. As Karplus concludes: "Our work shows the value of continuing these reforms, including introducing markets and relaxing the administrative constraints ... for China's ability to utilize its present and future wind capacity to the fullest."

At MIT, the research was funded by a consortium of founding sponsors of the MIT-Tsinghua China Energy and Climate Project, supported through the MIT Energy Initiative: Eni, the French Development Agency (AFD), ICF, and Shell. At Tsinghua University, researchers received separate support from government and industry sources. The MIT-Tsinghua China Energy and Climate Project is part of the MIT Joint Program on the Science and Policy of Global Change.
###
Additional background

ARCHIVE: Energy storage for renewables can be a good investment today <a href="http://news.mit.edu/2016/energy-storage-renewables-good-investment-solar-wind-0613" target="_blank" rel="noopener noreferrer">http://news.mit.edu/2016/energy-storage-renewables-good-investment-solar-wind-0613</a>

ARCHIVE: Target coal or carbon? <a href="http://news.mit.edu/2016/target-coal-or-carbon-0524" target="_blank" rel="noopener noreferrer">http://news.mit.edu/2016/target-coal-or-carbon-0524</a>

ARCHIVE: Study: China's new policies will limit CO2 emissions faster, without limiting growth <a href="http://news.mit.edu/2016/china-policies-lower-emissions-faster-without-preventing-economic-growth-0209" target="_blank" rel="noopener noreferrer">http://news.mit.edu/2016/china-policies-lower-emissions-faster-without-preventing-economic-growth-0209</a>

ARCHIVE: New insights into carbon emissions in China <a href="http://news.mit.edu/2015/insights-into-carbon-emissions-china-0618" target="_blank" rel="noopener noreferrer">http://news.mit.edu/2015/insights-into-carbon-emissions-china-0618</a>

</div>

How China can ramp up wind power

How China can ramp up wind power. China has an...

<div>
<div class="img-wrapper"></div>
Study: Crop breeding is not keeping pace with climate change. Crop yields will fall within the next decade due to climate change unless immediate action is taken to speed up the introduction of new and improved varieties, experts have warned.

The research, led by the University of Leeds and published today in the journal Nature Climate Change, focuses on maize in Africa but the underlying processes affect crops across the tropics.

Study lead author Professor Andy Challinor, from the Priestley International Centre for Climate at the University of Leeds, said: "In <a href="http://www.earth.com/news/experts-fear-african-covid-19-infections-will-leap-into-the-millions/">Africa</a>, gradually rising temperatures and more droughts and heatwaves caused by climate change will have an impact on maize.

"We looked in particular at the effect of temperature on crop durations, which is the length of time between planting and harvesting. Higher temperatures mean shorter durations and hence less time to accumulate biomass and yield."

It takes anywhere between 10 and 30 years to breed a new crop variety and have it adopted by farmers. The rate at which temperatures are increasing across the tropics means that by the time the crop is in the field it is being grown in warmer temperatures that it was developed in.

By looking at a range of data on farming, regulatory policy, markets and technologies, the researchers developed average, best and worst case scenarios for current crop breeding systems.

The researchers found that crop breeding duration will become significantly shorter by as early as 2018 in some locations and by 2031 in the majority of maize-growing regions in Africa. Only the most optimistic assessment - in which farming, policy, markets and technology all combine to make new varieties in 10 years - showed crops staying matched to temperatures between now and 2050.

The research team, comprising experts in agriculture, climate and social science, looked at the options for ensuring that crops can be developed and delivered to the field more quickly. These range from improved biochemical screening techniques to more socially-centred measures, such as improving government policies on breeding trials and farmers' access to markets.

Dr Andy Jarvis, from CIAT (International Centre for Tropical Agriculture), said: "Investment in agricultural research to develop and disseminate new seed technologies is one of the best investments we can make for climate adaptation. Climate funds could be used to help the world's farmers stay several steps ahead of climate change, with major benefits for <a href="https://www.bing.com/search?q=global+food+security&amp;form=EDGEAR&amp;qs=PF&amp;cvid=d0a745b83f7144d8a8dd04d2cbdf6b4e&amp;cc=US&amp;setlang=en-US&amp;elv=AXK1c4IvZoNqPoPnS%21QRLOMAjS%21RFp6jzZWJ7AkCsIYKvARFRxGJpi%21yl3rWMBpOGv8n9cVTn4j5VFrDo7HQmFoyHM3FUvLPtgbroHfoc%21dp&amp;plvar=0&amp;PC=HCTS">global food security</a>."

The researchers have also proposed an alternative plan: use global climate models to determine future temperatures, then heat greenhouses to those temperatures and develop new crop varieties there.

Professor Challinor said: "The challenge here is in knowing what future emissions will be and ensuring that climate models can produce accurate enough information on future temperatures based on those emissions.

"At the Priestley Centre, researchers are working on these challenges by improving climate models and targeting their use directly at solving such problems."
###
Images

Download: <a href="https://www.flickr.com/photos/ciat/26190616733" target="_blank" rel="noopener noreferrer">https://www.flickr.com/photos/ciat/26190616733</a>
Caption: A farmer in Malawi checks her maize crop that is struggling as a result of the worst drought in three decades.
Credit: Neil Palmer (CIAT)

Download: <a href="https://www.flickr.com/photos/cimmyt/8254449832/" target="_blank" rel="noopener noreferrer">https://www.flickr.com/photos/cimmyt/8254449832/</a>
Caption: A crop breeder carries out hand pollination of maize at the Kenya Agricultural Research Institute's (KARI) Kiboko Research Station.
Credit: F. Sipalla/CIMMYT

Further information

The CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS) funded the study.

The Priestley International Centre for Climate is one of the University of Leeds' flagship strategic investments, with £6.82 million invested in it over five years. The University of Leeds has 150 experts working on climate and climate-related research and receives one of the largest annual incomes in the UK for environmental research. <a href="http://climate.leeds.ac.uk/" target="_blank" rel="noopener noreferrer">http://climate.leeds.ac.uk</a>

The research paper, 'Current warming will reduce yields unless maize breeding and seed systems adapt immediately', is published in the journal Nature Climate Change on 20 June 2016.

Professor Andy Challinor is available for interview. Please contact Sarah Reed, Media Relations Officer at the University of Leeds on +44 (0)113 343 4031 or <a href="mailto:pressoffice@leeds.ac.uk">pressoffice@leeds.ac.uk</a>. For enquiries during the weekend, please call +44 (0)7712 389 448. The Press Office inbox is also checked regularly at weekends.

</div>

Study: Crop breeding is not keeping pace with climate change

Study: Crop breeding is not keeping pace with climate change....

Killings of environmental advocates up 60% in 2015. A <a href="http://www.earth.com/video/a-london-bridge-in-arizona/">London</a>-based advocacy group said Monday it documented 185 killings of environmental activists around the world last year, nearly 60 percent more than in 2014 and the highest since it began collecting data dating back to 2002.
In a newly released report, Global Witness said Brazil topped the 16-country list with 50 environmental defenders slain in 2015, followed by the Philippines with 33 and Colombia with 26. The group says 116 were slain worldwide in 2014.
Last year "was the deadliest year on record for killings of land and environmental defenders - people struggling to protect their land, forests and rivers," the report said.
Conflicts involving mining, agribusiness, hydroelectric dams and logging are behind most of the killings, which average more than three a week, it added.
Those who oppose such projects are "finding themselves in the firing line of private security companies, state forces and a thriving market for contract killers," Global Witness said.
The 50 environmental defenders killed in Brazil is nearly double the number slain in the country in 2014. Most of the killings occurred in the Amazon states of Maranhao, Para and Rondonia, where "agribusiness companies, loggers and landowners hire hit men to silence local opposition to their <a href="https://en.wikipedia.org/wiki/NASA">projects</a>," the report said.
Brazil's Justice Ministry did not immediately respond to a request for comment.
Marcio Astrini, public policy coordinator for Greenpeace in Brazil, attributed the killings to a lack of government presence in areas where land conflicts and deforestation are taking place.
"We are in a bad situation in which unfortunately we are champions in this shameful ranking," Astrini said. "I believe that we will continue leading this ranking until the government solves the problems in the region.
"Threats against defenders of the environment and those who represent rural workers and indigenous people will continue to grow, and I fear more will be murdered," he said.
© 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

Killings of environmental advocates up 60% in 2015

Killings of environmental advocates up 60% in 2015. A London-based...

<div></div>
<div>

Study examines possibility of replacing nuclear energy with wind power. The <a href="https://www.bing.com/search?q=swedish&amp;form=EDGEAR&amp;qs=PF&amp;cvid=f31dac1bec5e471f94a2d890e68ba5f2&amp;cc=US&amp;setlang=en-US&amp;elv=AY3%21uAY7tbNNZGZ2yiGNjfOabOUBoozd5xZV3aGO2sgHE6iItIHR1S9o8hmxaL4qnFdskP6ThXWHohyvVGpgJGiFGaXRxmlEbM45kaYukkeO&amp;plvar=0&amp;PC=HCTS">Swedish</a> power supply is largely free of carbon emissions. Indeed, it is mainly based on a combination of hydroelectric and nuclear power combined with power exchange with neighbouring Scandinavian countries.

A study published in EPJ Plus investigates the possibility of replacing nuclear power with wind power, which is by nature intermittent. According to the study, this, in turn, would finally lead to a reduction in the use of hydroelectricity if the annual consumption remained constant. Study examines possibility of replacing nuclear energy with wind power

The authors of the study conclude that a backup system, based on fossil fuel, namely gas, would be required in combination with wind power. In such a scenario, the CO2 emissions would double. Fritz Wagner from the Max Planck Institute for Plasmaphysics, Greifswald, <a href="http://www.earth.com/image/coal-mines-eastern-germany/">Germany</a>, and Elisabeth Rachlew from the Royal Institute of Technology, Stockholm, Sweden, therefore conclude that it would not be a viable option.

The study is based on data from 2013 pertaining to the load and the various power supply sources in Sweden. To represent constantly available wind power, the original 2013 data has been corrected for the increase in wind power during the year. The authors investigate the extent to which the required capacity of the installed wind power together with hydroelectricity reduce the nuclear share of their overall power generation. They also look into whether a backup system is necessary and at what power capacity.

Going a step further, they also examine the dynamics of its operation to determine the type of system required for back-up. In addition, they analyse the amount of surplus produced when the wind contribution is in excess of the reduced load, and whether the surplus energy can be stored to supplement the back-up power supply. Finally, they look at whether the operational conditions for hydroelectricity are acceptable. They conclude that this scenario would double the specific CO2 emissions, which would not make sense.
###
Reference:

F. Wagner and E. Rachlew (2016), Study on a hypothetical replacement of nuclear electricity by wind power in Sweden, European Physical Journal Plus 131:173 (2016), DOI 10.1140/epjp/i2016-16173-8

</div>

Study examines possibility of replacing nuclear energy with wind power

Study examines possibility of replacing nuclear energy with wind power....

<div></div>
<div>

NASA analyzes short-lived Tropical Storm Danielle. Tropical Storm Danielle formed on June 20 and by June 21 the storm had dissipated over eastern Mexico. NASA and the Japan Aerospace Exploration Agency's Global Precipitation Measurement or GPM mission core satellite analyzed its rainfall rates, while NASA's Aqua satellite measured cloud top temperatures to locate strongest storms.

A tropical depression (TD4) in the southwestern Gulf of Mexico was designated tropical storm Danielle by the National Hurricane Center (NHC) on the morning of June 20 at 1500 UTC (10 a.m. CDT). Danielle is the earliest fourth-named tropical storm to form in the Atlantic Basin. NASA analyzes short-lived Tropical Storm Danielle

The GPM core observatory satellite flew above the <a href="https://www.bing.com/search?q=pacific&amp;form=EDGEAR&amp;qs=PF&amp;cvid=47aed0f7cf8245a98d9100af9aae27ea&amp;cc=US&amp;setlang=en-US&amp;elv=AY3%21uAY7tbNNZGZ2yiGNjfOabOUBoozd5xZV3aGO2sgHthXTivQYY8RTI5Ip0v2rnZZNHvbkxJBbF05agFYOhkh0O8UoWUS1Q*akkS9rPfv0&amp;plvar=0&amp;PC=HCTS">Gulf of Mexico</a> on June 19, 2016 at 1746 UTC (12:46 p.m. CDT) before Danielle had even formed into a tropical depression (the step below a tropical storm). GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) data showed intense showers falling at a rate of over 87 mm (3.4 inches) per hour in thunderstorms along the southern Gulf of Mexico coast where Danielle later formed. GPM's radar (DPR) measured a few storm tops in that area reaching heights above 15.6 km (9.7 miles) and showers within the storms returned radar reflectivity values of over 53dBZ to the satellite.

&nbsp;

The next day, after Danielle reached tropical storm strength, a false-colored infrared image of Daniella's cloud top temperatures was made using data from the Atmospheric Infrared Sounder or AIRS instrument that flies aboard NASA's Aqua satellite. Aqua flew over Danielle on June 20 at 1935 UTC (3:35 p.m. EDT/2:35 CDT). The infrared temperature data showed cloud top temperatures of thunderstorms as cold as minus 63 Fahrenheit (minus 53 Celsius). These storms have the potential to generate heavy rainfall.

The National Hurricane Center issued the final bulletin on Danielle on Tuesday, June 21, 2016 as the former tropical storm weakened to a remnant low pressure area.

At 4 a.m. CDT (0900 UTC) on June 21 the remnants of Danielle were located near 20.6 degrees north latitude and 99.3 degrees west longitude. That puts the center of the remnant low pressure area about 125 miles (200 km) west-southwest of Tuxpan, Mexico. Maximum sustained winds were near 25 mph (35 kph) with higher gusts. The estimated minimum central pressure is 1014 millibars.

The remnants were moving toward the west-southwest near 13 mph (20 kph). The National Hurricane Center said that a turn toward the southwest is expected today, which should bring Danielle's remnants farther inland over south-central and southwestern Mexico.


</div>
<div></div>

NASA analyzes short-lived Tropical Storm Danielle

NASA analyzes short-lived Tropical Storm Danielle. Tropical Storm Danielle formed...

<div></div>
<div>

Which animals will cope with climate change droughts? JCU's Dr Tasmin Rymer led a study that produced a template measuring several crucial factors, including an animal's physiology and environment, to determine how it would handle a severe climate change drought.

Dr Rymer said scientists believe the current rate of climate change is unprecedented in Earth's history and will lead to more and worse droughts in many areas.

"So we developed a theoretical framework that allows researchers to estimate the likelihood that a species will be able to cope," she said. Which animals will cope with climate change droughts?

Dr Rymer said the "Adaptive Triquetra" model considers the primary driving stressors of droughts: temperature, limited water, and reduced food availability. Then it looks at how well an animal's specific body system could mount a response, and the extent to which its traits are adaptable.

"We have provided a comprehensive suite of traits to consider when making predictions about species' resilience to drought. It's designed to help scientists assess the potential for a species or population to cope with increasing aridity," she said.

Dr Rymer said the process is more complex than it sounds, with much work still needed to fully determine the characteristics of many species before the model can be applied to them.

She said the Adaptive Triquetra is still a conceptual framework in need of empirical testing, but held great promise for fine-tuning <a href="https://www.earth.com/news/northward-winds-support-the-wildlife-of-the-galapagos-islands/">wildlife</a> management.

"If you found a species was particularly vulnerable to water stress, such as in a drought, you might design a management plan that provides access to artificial water points. If you found a species was vulnerable to increased temperatures, you might provide subterranean shelters."

Dr Rymer said in one example of where the model would have been useful, managers of a reserve in <a href="https://www.bing.com/search?q=south+africa&amp;cvid=33cf8765771c4c36a68ebefb0a5d8dd8&amp;FORM=ANAB01&amp;PC=HCTS">South Africa</a> assumed their animals were suffering from lack of water during a drought, but in fact they had denuded the vegetation around their few artificially-built water holes and the animals were starving.

"If they had dropped fences and spaced water sources widely apart, this would have promoted movement and foraging over a wider area. Our model may have suggested this course of action if it had been in use," said Dr Rymer.

"Knowing which species are at risk and what stressors have the greatest impact allows for more effective management strategies to be put into place."


</div>
<div></div>

Which animals will cope with climate change droughts?

Which animals will cope with climate change droughts? JCU's Dr...

Current global coral bleaching event to last through 2016. After the most powerful <a href="https://www.earth.com/news/el-nino-deadly-viruses/">El Nino</a> on record heated the world's oceans to never-before-seen levels, huge swaths of once vibrant coral reefs that were teeming with life are now stark white ghost towns disintegrating into the sea.
And the world's top marine scientists are still struggling in the face of global warming and decades of devastating reef destruction to find the political and financial wherewithal to tackle the loss of these globally important ecosystems.
The International Coral Reef Symposium convened Monday to try to create a more unified conservation plan for coral reefs.
Federal officials said Monday the <a href="https://www.bing.com/search?q=global&amp;cvid=91a1bcdad2bd4b68971db1ae17f79737&amp;FORM=ANAB01&amp;PC=HCTS">global</a> coral bleaching event that began in 2014 with a super-charged El Nino is ongoing and is now the longest-lasting and largest such event ever recorded. Current global coral bleaching event to last through 2016
National Oceanic and Atmospheric Administration officials said that the event is expected to continue for its third year, lasting at least until the end of 2016.
While forecasters predict a change from El Nino to La Nina conditions, much of the warm water will remain in place or shift to other regions throughout the rest of the year.
All of the reef areas in the northern hemisphere - which includes almost all of the reefs in the United States - will experience another season of bleaching, said Mark Eakin, coordinator for NOAA's Coral Reef Watch program. Eakin noted that places like Hawaii and Florida have already had two consecutive years of severe bleaching, and a third is reason for concern.
"It's not likely to be as severe as last year according to the models, but time will tell," said Eakin. "It's very important for the managers to be ready for the fact that this may be a third year of bleaching."
Consecutive years of coral bleaching have led to some of the most widespread mortality of reefs on record, leaving scientists in a race to save them. While bleached coral often recovers, multiple years weakens the organisms and increases the risk of death. Current global coral bleaching event to last through 2016
Eakin said Palau and other Pacific islands in Micronesia face the biggest threats as warm waters push westward. Those islands are dependent on their reefs for both sustenance and the economic value of tourism.
"Local conservation buys us time, but it isn't enough," said Jennifer Koss, NOAA's Coral Reef Conservation Program director. "Globally, we need to better understand what actions we all can take to combat the effects of climate change."
"What we have to do is to really translate the urgency," said Ruth Gates, president of the International Society for Reef Studies and director of the Hawaii Institute of Marine Biology.
Gates, who helped organize the conference in Honolulu for more than 2,000 international reef scientists, policymakers and others, said the scientific community needs to make it clear how "intimately reef health is intertwined with human health."
She said researchers have to find a way to implement large scale solutions with the help of governments.
Researchers have achieved some success with projects such as creating coral nurseries and growing forms of "super coral" that can withstand harsher conditions. But much of that science is being done on a very small scale with limited funding.
Bob Richmond, director of the University of Hawaii's Kewalo Marine Laboratory, said the problems are very clear: "overfishing of reef herbivores and top predators, land-based sources of pollution and sedimentation, and the continued and growing impacts of climate change."
While reefs are major contributors to many coastal tourist economies, saving the world's coral isn't just about having pretty places for vacationers to explore. Reefs are integral to the overall ecosystem and are an essential component of everyday human existence.
Reefs not only provide habitat for most ocean fish consumed by humans, but they also shelter land from storm surges and rising sea levels. Coral has even been found to have medicinal properties.
In one project to help save reefs, researchers at the University of Hawaii's Institute of Marine Biology have been taking samples from corals that have shown tolerance for harsher conditions in Oahu's Kaneohe Bay and breeding them with other strong strains in slightly warmer than normal conditions to create a super coral.
The idea is to make the corals more resilient by training them to adapt to tougher conditions before transplanting them into the ocean.
Another program run by the state of Hawaii has created seed banks and a fast-growing coral nursery for expediting coral restoration projects.
Most of Hawaii's species of coral are unlike other corals around the world in that they grow very slowly, which makes reef rebuilding in the state difficult. So officials came up with a plan to grow large chunks of coral in a fraction of the time it would normally take.
Coral reefs have almost always been studied up close, by scientists in the water looking at small portions of reefs.
But NASA's Jet Propulsion Laboratory is taking a wider view, from about 23,000 feet above. NASA and other scientists recently launched a three-year campaign to gather new data on coral reefs worldwide. They are using specially designed imaging instruments attached to aircraft.
"The idea is to get a new perspective on coral reefs from above, to study them at a larger scale than we have been able to before, and then relate reef condition to the environment," said Bermuda Institute of Ocean Sciences' Eric Hochberg, principal investigator for the project.
If the scientific community and the world's governments can't come together to address coral's decline, one of earth's most critical habitats could soon be gone, leaving humans to deal with the unforeseen consequences.
"What happens if we don't take care of our reefs?" asked Gates. "It's dire."
---
Follow Caleb Jones on Twitter: <a href="https://twitter.com/CalebAP">https://twitter.com/CalebAP</a> Find more of his work at <a href="http://bigstory.ap.org/journalist/caleb-jones">http://bigstory.ap.org/journalist/caleb-jones</a>
© 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

Current global coral bleaching event to last through 2016

Current global coral bleaching event to last through 2016. After...

<div>
<div class="img-wrapper"></div>
Humus-rich soil is disappearing in forests of the Bavarian Alps. Alpine forests will be at great risk should weather phenomena such as droughts and torrential rain become more frequent. As a study by the Technical University of Munich (TUM) shows, the mountain forests of the Bavarian Alps have seen a significant reduction in topsoil organic matter over the past three decades. The study authors' recommendation is therefore to preserve, or better still, increase soil humus regardless of climate change by implementing humus-promoting forest management to safeguard the mountain forest's protective function and to mitigate floods.

Humus stocks are essential for soil fertility, water balance and nutrient supply of the soil. Previous studies established that especially in cooler mountain regions, carbon bound in soil organic matter reacts very sensitively to warmer weather caused by climate warming, and is increasingly released by microorganisms. As a consequence, the soil loses one of its essential features: its capacity to store carbon, which, after being released, also contributes to global warming.

So far, no exact data existed as to the changes in humus stocks of Alpine soil over the years, and any calculations to this effect are rather imprecise. Scientists at the Technical University of Munich have now published a new study in Nature Geoscience that identifies the changes to Alpine humus stocks based on data from 35 mountain forests and mountain pastures. Their study is based on two independent analyses, which permitted conclusions on the changes in soil conditions over the past thirty years.

Significant humus loss in mountain forest soil across short time span

One of the two studies looked at all major forest and soil types across the entire 1,700 square mile area of the Bavarian Alps between 1986 and 2011. The second study observed typical mountain spruce forests in the Berchtesgaden region (total area: 230 square miles) from 1976 onward.

"I was surprised to see that the humus stocks of forest soils have seen such a dramatic - and in statistical terms significant - degree of depletion", says Professor Joerg Prietzel of the Chair of Soil Science at TUM. During the period under investigation, the topsoil organic matter stock of forest soils in the Bavarian Alps declined by an average of approximately 14 percent.

The heaviest depletion occurred in soils with limestone or dolomite parent material. They suffered a loss of just under one third of their humus mass. "Overall, the conclusions drawn from the two studies - despite employing different approaches and covering different regions - are almost identical," explains lead author Prietzel. No silvicultural usage of the areas under investigation took place during the study. Humus depletion must hence be a result of climate change.

Climate warming in the Alps since the 1970s

The soil organic matter decline is highly likely to be a consequence of climate warming, which has been recorded by weather stations in the Bavarian Alps over the past hundred years - in particular in more recent decades.

"The Alps in the Berchtesgaden region have been affected quite dramatically," explains Prof. Prietzel, "as mean air temperature there has seen a particularly drastic rise during summer months." In connection with increased temperatures during the summer months, regions where air temperatures are on the up also experience a warming of the ground, which presumably is the primary cause for the progressive degradation of soil organic matter.

Digression from the findings: no humus loss found in mountain pasture soil

In contrast to forest soils, mountain pasture soils examined in the Berchtesgadener Alps suffered no humus loss in the past 30 years. However, they tend to be without exception less humus-rich than directly adjoining forested soils.

The authors of the study suspect that the mountain pastures, which many hundreds of years ago also used to be wooded areas before the advent of alpine farming, must have lost a considerable portion of their original humus stock relatively soon after the forests had been cleared to make room for the pastures. The remaining soil organic matter is not - as is frequently the case with forest soil - mostly present as "forest floor" in the surface layer, but lies deeper underground where it is better protected from humus-degrading microorganisms.

The study authors recommend: implement humus-promoting forest management

Ultimately, the study authors expect average summer temperatures in the Alps to keep rising, coupled with an increase in extreme weather episodes. Hence, we will see more and more extended periods of no rain at all alternating with heavy rain.

A thick humus layer with great water storage capability is able to mitigate the effects of such extreme weather on mountain forests and the mountain landscape. It stores water for trees and the Alpine flora, while at the same time reducing floodwaters after heavy downpours. In order to preserve such vital functions of the humus layer, the climate-change-based humus degradation must be proactively countered by promoting humus restoration.

Of central importance in this scenario are "resilient" mountain forests that can withstand extreme incidents. Such forests are characterized by being made up of a diverse range of different tree species and trees of varying ages. Trees of such forests yield a continuous supply of stray litter such as leaves, needles, roots or brushwood, and maintain a constant cool "forest climate", even during hot summers, which in turn slows down humus degradation by soil microorganisms. What's more, they also prevent erosion-borne humus loss as a result of downpours, snow gliding or avalanches.
###
Publication:
Joerg Prietzel, Lothar Zimmermann, Alfred Schubert and Dominik Christophel: Organic matter losses in German Alps forest soils since the 1970s most likely caused by warming, June 13, 2016. DOI: 10.1038/NGEO2732 <a href="http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2732.html" target="_blank" rel="noopener">http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2732.html</a>

Contact:
Prof. Dr. Joerg Prietzel
Technische Universität München
Chair of Soil Science
Emil-Ramann-Str. 2
D-85354 Freising, Germany
Tel: +49 (8161) 71 - 4734
E-Mail: <a href="mailto:joerg.prietzel@mytum.de">joerg.prietzel@mytum.de</a>

</div>

Humus-rich soil is disappearing in forests of the Bavarian Alps

Humus-rich soil is disappearing in forests of the Bavarian Alps....

<div>
<div class="img-wrapper"></div>
Coral zombies may spell doom for coral reefs around world. Scientists have known for a while that coral reefs around the world are dying, and in a worst-case scenario they were counting on large, healthy-looking corals to repopulate.

But a new study presented at the 13th International Coral Reef Symposium in Honolulu today shows that these seemingly healthy colonies are "Coral Zombies" with no reproductive ability, which makes them useless in a recovery effort. Coral zombies may spell doom for coral reefs around world

"It's pretty discouraging," said University of Central Florida biologist John E. Fauth, one of the researchers who sampled 34 sites across the Caribbean for the study. "This is not good news."

Cheryl M. Woodley, a marine biologist with NOAA's National Ocean Service led the study, which sampled 327 coral colonies off the coasts of Florida, Puerto Rico, and St. Thomas, St. John and St. Croix in the US. Virgin Islands. The researchers analyzed the samples to determine the reproductive ability of elkhorn coral (Acropora palmata), which is a threatened species. Coral zombies may spell doom for coral reefs around world

In some places - including two sites in the Florida Keys - the coral had no eggs or sperm. The study suggests that with no ability to propogate, elkhorn corals in those spots will eventually die out - like zombies, they essentially are walking dead. Two samples from a more remote area in St. Croix found the coral had 100 percent reproduction ability.

"Basically the places with the heaviest tourism had the most severe damage," Fauth said. He dove and took samples from all of the Puerto Rican sites in the study, along with marine biologists Michael Nemeth and Katie Flynn.

This study adds to growing evidence that coral reefs frequented by divers are in peril. Last year a <a href="http://today.ucf.edu/lathering-up-with-sunscreen-may-protect-against-cancer-killing-coral-reefs-worldwide/" target="_blank" rel="noopener noreferrer">study</a> found that oxybenzone, a common UV-filtering compound in sunscreen, is in high concentrations in the waters around the more popular coral reefs in Hawaii and the Caribbean. The chemical not only kills coral, it causes DNA damage in adult corral and deforms the larval stage, making it unlikely they can develop properly. The highest concentrations of oxybenzone were found in reefs most popular with tourists. Fauth was a co-investigator of that 2015 study, which was published in the journal Archives of Environmental Contamination and Toxicology.

Oxybenzone also causes coral bleaching, which is a prime cause of coral mortality worldwide. Corals bleach when they lose or expel the algae that normally live inside them, thus losing a valuable source of nutrition.

In another study presented at the symposium on Monday, researchers found the same sunscreen chemical is common in Hawaii, Florida and the U.S. Virgin Islands, and concentrations peak during high tide.

"It's almost counterintuitive," said Fauth, who is a co-author of that study as well. "We think that aerosol sunscreen is to blame." When you spray sunscreen, much of it lands on the sand or water, Fauth said. So when the high tide comes in, it collects all the overspray and pulls it back out to sea.

Together, the two new studies show that coral reefs are in more danger than already thought. Several species of coral are listed as threatened under the U.S. Endangered Species Act.

Reproductive failure in Caribbean coral already was identified as a critical factor preventing their recovery. The news that even corals that appear healthy may be incapable of reproducing and that a chemical linked to coral decline commonly occurs at high concentrations is a double blow, Fauth said.

"We have to act now," Fauth said. "It is simple things like not using chemicals that harm our coral. Wear rash guards or go without sunscreen during dives. And it is making a serious commitment to conservation and management of our reefs. Coral reefs are the world's most productive marine ecosystems and support commercial and recreational fisheries and tourism. We want to do everything we can to ensure that the underwater beauty we see today is around for generations to come."
###
Other members of the Coral Zombie study include: A.R. Burnett, S. Griffin, L.A. May and Z. Moffitt of the NOAA NOS, M. Brandt from the University of the Virgin Islands, C.A. Downs from the Haereticus Environmental Laboratory, Z. Hillis-Starr from the National Park Service, K.S. Lunz of Florida Fish and Wildlife Research Institute and Z. Miller, A. Moulding, M. Nemeth and D. Williams of NOAA Fisheries.

</div>

Coral zombies may spell doom for coral reefs around world

Coral zombies may spell doom for coral reefs around world....

<div></div>
<div>

Chemists find new way to recycle plastic garbage into fuel. A new way of recycling millions of tons of plastic garbage into liquid fuel has been devised by researchers from the University of California, Irvine and the Shanghai Institute of Organic Chemistry (SIOC) in China.

"Synthetic plastics are a fundamental part of modern life, but our use of them in large volume has created serious environmental problems," said UCI chemist Zhibin Guan. "Our goal through this research was to address the issue of plastic pollution as well as achieving a beneficial outcome of creating a new source of liquid fuel."Chemists find new way to recycle plastic garbage into fuel.

<a href="http://www.earth.com/earthpedia-articles/what-do-marine-iguanas-eat/">Guan</a> and Zheng Huang, his collaborator at SIOC, together with their colleagues have figured out how to break down the strong bonds of polyethylene, the most common commercially available form of plastic. Their innovative technique centers on the use of alkanes, specific types of hydrocarbon molecules, to scramble and separate polymer molecules into other useful compounds. The team's findings were published recently in Science Advances.

Scientists have been seeking to recycle plastic bags, bottles and other trash generated by humans with less toxic or energy intensive methods. Current approaches include using caustic chemicals known as radicals or heating the material to more than 700 degrees Fahrenheit to break down the chemical bonds of the polymers.

In this newly discovered technique, the team degrades plastics in a milder and more efficient manner through a process known as cross-alkane metathesis. The substances needed for the new method are byproducts of oil refining, so they're readily available.

Guan said the US-<a href="https://www.bing.com/search?q=china&amp;form=EDGEAR&amp;qs=PF&amp;cvid=470db2c43dae4ea88893272b5cf4286c&amp;cc=US&amp;setlang=en-US&amp;elv=AXK1c4IvZoNqPoPnS%21QRLOMAjS%21RFp6jzZWJ7AkCsIYK1zjmJRiP3AxaewgFainizIAcQy742zhM2cvr8kY0XXZ70PSH4sraBZ4iAb8opzC2&amp;plvar=0&amp;PC=HCTS">China</a> joint team is still working on a few issues to make it more efficient. That includes increasing the catalyst activity and lifetime, decreasing the cost, and developing catalytic processes to turn other plastic trash into treasure.
###
About the University of California, Irvine: Founded in 1965, UCI is the youngest member of the prestigious Association of American Universities. The campus has produced three Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UCI has more than 30,000 students and offers 192 degree programs. It's located in one of the world's safest and most economically vibrant communities and is Orange County's second-largest employer, contributing $5 billion annually to the local economy. For more on UCI, visit <a href="http://www.uci.edu/" target="_blank" rel="noopener noreferrer">http://www.uci.edu</a>.

Media access: Radio programs/stations may, for a fee, use an on-campus ISDN line to interview UCI faculty and experts, subject to availability and university approval. For more UCI news, visit news.uci.edu. Additional resources for journalists may be found at communications.uci.edu/for-journalists.

</div>

Chemists find new way to recycle plastic garbage into fuel

Chemists find new way to recycle plastic garbage into fuel....

<div class="wp-block-sendtonews-playerselector">[sendtonews key="0ynNMYkMKa-2340414-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Nushagak Bay, a large estuary in southwest Alaska. Nushagak runs mainly north to south and exits in Bristol Bay, a large body of water in the Bering Sea.



"The bay is primarily fed by the Nushagak River, which begins in the Alaska Range and flows southwest approximately 450 km. The bay is also fed by several additional rivers including the Wood, Igushik, Snake and Weary rivers," says ESA.



"The dark colors of the Nushagak River are most likely due to tannins or lignins (chemical substances found in plants). Tannins and lignins from roots, leaves, seeds, bark and soil can leach into the water and give it a brown or even black colour. The sediments then flow southwards where it is mixed with the bluer waters of the bay."



Video/ Image Credit: ESA



---



By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Nushagak Bay in southwest Alaska

[sendtonews key="0ynNMYkMKa-2340414-12187" type="single"] Today’s Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="G9bUoxcjr4-2511624-12187" type="single"]</div>



Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> (ACS) reveals that proteins on flu viruses are actually flexible, tilting and waving in a “breath-like” motion. According to the experts, these proteins could be used to better defend against the flu.



"The main antigenic targets of influenza virus are two surface glycoproteins, hemagglutinin (HA) and neuraminidase (NA). Whereas the structural and dynamical properties of both glycoproteins have been studied previously, the understanding of their plasticity in the whole-virion context is fragmented," wrote the researchers.



To investigate, the team conducted detailed simulations of the influenza A H1N1 virion, or the swine flu. The experts concluded that the visualizations show many new vulnerable states of flu viruses, which could improve future vaccines and antiviral drugs.



Video/ Image Credit: American Chemical Society&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Flu viruses are more flexible than expected

[sendtonews key="G9bUoxcjr4-2511624-12187" type="single"] Today's Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="3upvlAaHgO-2256633-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Lake Trasimeno, which is located west of Perugia in central Italy. It is the fourth largest lake in the country. While Trasimeno’s water level varies, it has a maximum depth of approximately six meters.&nbsp;



"In this Copernicus Sentinel-2 image, captured on 6 August 2022, the lake’s emerald green colour is likely due to the presence of phytoplankton. Streaks in the water, particularly visible in the west, indicate the presence of soil and sediments which have been stirred up by winds. Dark colored waters in the southern part of the lake indicate a presence of submerged and floating macrophytes (aquatic plants) as well as algae," says ESA.



"Surrounded by hills on three sides, Trasimeno is subject to heavy storms created by winds, especially from the north and west. There are three islets in the lake: Maggiore, Minore and Polvese (the largest). The lake’s shores are sparsely inhabited with only two popular villages: Castiglione del Lago and Passignano sul Trasimeno."



"Italy is experiencing its worst drought in 70 years which has affected drinking water supplies, hydroelectric power and agricultural production. High temperatures, hot winds and lack of rainfall are the main causes of drought in the Umbrian region which saw Lake Trasimeno’s drop 1.3 m, reaching the limit of the hydrometric zero in July 2022."



Video/Image Credit: ESA&nbsp;



---



By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Lake Trasimeno in Central Italy

[sendtonews key="3upvlAaHgO-2256633-12187" type="single"] Today’s Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="LvS8v8bp9z-2564889-12187" type="single"]</div>



Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes a new self-powered nanosensor that can instantly detect mercury contamination with the tap of a finger.&nbsp;



The oxidized form of mercury can be harmful when it is ingested through contaminated water or food. This makes it necessary for experts to develop sensors that can quickly and accurately detect the presence of mercury.&nbsp;



Zong-Hong Lin and colleagues have now created a triboelectric nanosensor (TENS) that can detect mercury by simply by touching a sample. According to the researchers, their TENS could serve as the basis for similar devices to safely and remotely monitor other pollutants.



Video Credit: American Chemical Society&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Detecting mercury contamination with the tap of a finger

[sendtonews key="LvS8v8bp9z-2564889-12187" type="single"] Today's Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="iuA5mpp3jv-1641775-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Kainji Lake, a reservoir on the Niger River.



In 1968, Kainji Lake was created by the construction of the Kainji Dam. The Niger River, the third longest in Africa, enters the lake in the north.&nbsp;



According to <a href="https://www.earth.com/news/rivers-in-the-american-west-are-a-lifesaving-resource-for-birds/">ESA</a>, the creation of the lake submerged Foge Island and the town of Bussa and permanently flooded other riverine settlements, leaving around 50,000 people displaced.&nbsp;



Large parts of Foge Island are temporarily exposed during low water tides, and the land is often used by migrating fishermen. Kainji Dam is a dam across the Niger River in Niger State of Central Nigeria. 



Wild mammals occur at relatively low densities due to illegal hunting. Lake Kainji has suffered a dramatic decline as a fishery due to the high numbers of artisanal and subsistence fisherfolk using the lake. It has been suggested that a period of closure, together with controlled fishing rights may help improve fish stocks.



Kainji Lake National Park is the oldest of its kind in Nigeria. The park contains three distinct areas: a part of the Kainji Lake, the Borgu Game Reserve to the west of the lake, and the Zugurma Game Reserve to the southeast. The park is home to around 65 mammal species, 350 bird species, and 30 species of reptiles and amphibians. 



Video/ Image Credit: European Space Agency&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Kainji Lake in north central Nigeria

[sendtonews key="iuA5mpp3jv-1641775-12187" type="single"] Today’s Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="QGPzYnXEtN-1712599-12187" type="single"]</div>



Today’s Video of the Day from <a href="https://www.igb.illinois.edu/">Carl R. Woese Institute for Genomic Biology</a> reveals how scientists can modify common crops like soybean, rice, and wheat to protect them from heat stress.



“We need to double crop production by 2050 to feed a growing global population, and not only are we not on track to do that, but climate change is further complicating things,” said Amanda Cavanagh, a lecturer at the University of Essex. 



The study is part of Realizing Increased Photosynthetic Efficiency (RIPE), an international research project that aims to develop food crops that turn the sun’s energy into food more efficiently.



“Using an engineering approach we designed multiple alternative metabolic pathways to photorespiration. Testing them in the field showed increases in productivity which led Amanda to significantly move the project forward by showing our engineered plants can withstand pretty extreme temperature stress,” said study co-author and RIPE researcher Paul South.&nbsp;



“As the climate changes and temperature stresses increase the pressure on our global food supply, farmers will need every tool available including engineering approaches like the synthetic biology used here to maintain safe and productive harvests.”



The experts tested plants modified to have more efficient photorespiration to see if they were better adapted to warmer temperatures.&nbsp;



The team found that the engineered plants produced 26 percent more biomass than the wild-type plants exposed to the same temperatures, and had 15 percent less yield loss under the higher temperatures.



Video Credit: Amanda Nguyen/University of Illinois



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Designing crops that can beat the heat

[sendtonews key="QGPzYnXEtN-1712599-12187" type="single"] Today’s Video of the Day from Carl...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="X0f6OHYoI4-2310561-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> explores the ability of salt to transform the way that foods and beverages taste. Salt is known to cover up undesirable flavors, such as bitterness in coffee or beer, but how exactly does sodium chloride change the taste of other compounds?



One previous study showed that, not only does salt suppress bitterness, but also enhances sweetness and sourness. Another study revealed that bitterness reduction by salt seems to be happening at the tongue receptor level as well as in the brain.&nbsp;



While it is known that salt taste is mediated by the presence of sodium channels in the form of taste buds, experts believe that there is also an unknown receptor responsible for how we taste salt that has not yet been identified.&nbsp;



Video Credit: ACS Reactions



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

How does salt makes things taste better?

[sendtonews key="X0f6OHYoI4-2310561-12187" type="single"] Today’s Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="JRaP49ISmm-2357509-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Santiago, the capital city of Chile. The city is located in the center of the Santiago Metropolitan Region, which has a population of about eight million people.&nbsp;



'The weather of Santiago resembles the Mediterranean climate with dry and warm summers with temperatures reaching up to 35°C (from October to March) and cool and humid winters that can drop to 0°C (from April to September)."



"The city lies in the centre of the country’s central valley around 80 km from the Pacific Ocean to the west and borders Argentina to the east. A tiny part of Argentina is visible in the top-right corner of the image where the mountain crest of the Andes Mountains acts as a divider between the two countries," says ESA.



Video/ Image Credit: ESA



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Santiago, Chile in South America

[sendtonews key="JRaP49ISmm-2357509-12187" type="single"] Today’s Video of the Day from the...

Spiral,Galaxy,,Illustration,Of,Milky,Way

<div class="wp-block-sendtonews-playerselector">[sendtonews key="e4ZG0Jawp3-2374785-12187" type="single"]</div>



Astronomers at <a href="https://www.jhu.edu/">Johns Hopkins University</a> have created an interactive map of the universe, including the actual position and real colors of 200,000 galaxies. The map allows the public to access data that was previously only available to scientists.



The map was developed using data collected by the Sloan Digital Sky Survey. For over two decades, a telescope in New Mexico was aimed at slightly different locations to capture the night sky.&nbsp;



"Growing up I was very inspired by astronomy pictures, stars, nebulae and galaxies, and now it's our time to create a new type of picture to inspire people," said map creator Brice Ménard, a professor at Johns Hopkins. "Astrophysicists around the world have been analyzing this data for years, leading to thousands of scientific papers and discoveries. But nobody took the time to create a map that is beautiful, scientifically accurate, and accessible to people who are not scientists. Our goal here is to show everybody what the universe really looks like."



"In this map, we are just a speck at the very bottom, just one pixel. And when I say we, I mean our galaxy, the Milky Way which has billions of stars and planets. We are used to seeing astronomical pictures showing one galaxy here, one galaxy there or perhaps a group of galaxies. But what this map shows is a very, very different scale."



"From this speck at the bottom, we are able to map out galaxies across the entire universe, and that says something about the power of science."



The <a href="https://mapoftheuniverse.net/">interactive map</a> is available online, where it can be downloaded for free.



Video Credit: Johns Hopkins&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Interactive map of the universe includes 200,000 galaxies

[sendtonews key="e4ZG0Jawp3-2374785-12187" type="single"] Astronomers at Johns Hopkins University have created...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="EjmSP20gQK-2593093-12187" type="single"]</div>



Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes the first comprehensive estimate of carbon density in the Saharan, Sahel, and Sudanian zones of Africa. In an effort to measure the amount of carbon stored across these drylands, a team of scientists used high-resolution satellite images and artificial intelligence to map nearly 10 billion individual trees. 



"The high spatial resolution (50 cm) combined with AI and field measurements used in this study is key to improving tree inventories in drylands," said Pierre Hiernaux, a French researcher working for NASA. "The ever-increasing availability of very high-resolution satellite imagery will make it possible to assess carbon pools and their dynamics at the individual tree level on a global scale."



"This study is exceptional because it is pioneering a type of approach that will revolutionize the monitoring of trees and forests on a global scale: in the short term, it will be possible to map the world's trees from the centre of the Amazon to our schoolyards," said <a href="https://www.inrae.fr/en">INRAE</a> researcher Jean-Pierre Wigneron.



"Many fields of application will become much more efficient and accurate, such as tracking carbon stocks, biodiversity, monitoring logging and protection against illegal forest degradation, in near real time.”



Video Credit: NASA Goddard&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Remote sensing will revolutionize the way we monitor trees

[sendtonews key="EjmSP20gQK-2593093-12187" type="single"] Today's Video of the Day from NASA...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="qjvhBOBnY8-2426650-12187" type="single"]</div>



Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Dublin, the capital and largest city of Ireland. Beyond its pub culture, Dublin is known as a modern culinary destination and a UNESCO City of Literature.



"Dublin is located near the midpoint of Ireland’s east coast in the province of Leinster. The city, which covers an area of around 115 square kilometers, is bordered by the Dublin Mountains, a low mountain range to the south, and is surrounded by flat farmland to the north and west," says ESA.



"The city straddles the River Liffey, which rises in the Wicklow Mountains and flows around 80 kilometers eastwards through the city of Dublin, in which it is canalised and bordered with quays. It then empties into Dublin Bay, an arm of the Irish Sea."



Dublin has an abundance of green spaces, including one of the largest enclosed public parks in any European capital city. Phoenix Park, which was originally formed as a royal hunting park in the 1660s, includes 707 hectares of green space.



Video Credit: ESA&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The city of Dublin on Ireland's east coast

[sendtonews key="qjvhBOBnY8-2426650-12187" type="single"] Today's Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="oL4FnPTGCV-2384527-12187" type="single"]</div>



Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the province of Zaragoza in northeast Spain. The image was captured by the Copernicus Sentinel-2 mission.



"Together with the provinces of Huesca and Teruel, Zaragoza formed the old kingdom of Aragon. Its capital, also called Zaragoza (not visible in this image) is home to around half of Aragon’s population," says ESA.



"The Ebro River can be seen winding its way through the province from west to east in this image. Between its source in the Cantabrian Mountains in the northwest and its delta on the Mediterranean coast, the Ebro River is fed by more than 200 tributaries as it flows 910 km across much of northern Spain."



Since rainfall is very scarce in this region, irrigation in the Ebro basin is critically important. In the valleys surrounding the Ebro River, many fields are used for growing crops such as corn, wheat, and barley.



Video/ Image Credit: ESA



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The province of Zaragoza in northeast Spain

[sendtonews key="oL4FnPTGCV-2384527-12187" type="single"] Today's Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="f8fukm28Vz-2491833-12187" type="single"]</div>



Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> features a visual dataset of.methane emissions from wetlands across the globe. Atmospheric methane levels have reached record highs in recent years, and wetlands are a major source of these emissions.&nbsp;



"Methane is an important greenhouse gas that contributes substantially to global warming. On a molecule by molecule basis, methane is much more efficient at trapping heat than carbon dioxide, the main driver of warming," says NASA.



"Though human activities, including agriculture, oil and natural gas production and use, and waste disposal, collectively contribute the majority of methane to the atmosphere, about a third of total methane emissions comes from wetlands."&nbsp;



According to NASA, understanding methane emissions from wetlands and other natural sources is critically important for scientists and policymakers who are working to combat climate change by reducing emissions from human activities.



Video Credit: NASA Goddard



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Wetlands are a major source of methane emissions

[sendtonews key="f8fukm28Vz-2491833-12187" type="single"] Today's Video of the Day from NASA...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="0879czfG3k-1785905-12187" type="single"]</div>



Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> reveals the evolution of the Columbia Glacier in southeastern Alaska. Columbia is among the fastest shrinking glaciers in the world, and the video documents its rapid retreat over the years.&nbsp;



Columbia Glacier is a large, multi-branched calving glacier that flows out of the Chugach Mountains to the Prince William Sound.&nbsp;



According to USGS, Columbia had a long history of stability prior to 1980, with a length 41 miles, and small, short-lived advances or retreats.



In the years since 1980, however, satellite images have captured Columbia’s alarming retreat. By using false-color images, scientists can distinguish between snow and ice, open water, vegetation, and rocky debris on the glacier’s surface.



The series of false-color images featured in today's video were acquired over the span of 35 years. You can see that by 2021, the glacier’s main branch had retreated about 15 miles from its initial position.



The Columbia Glacier has also lost more than 50 percent of its volume, mostly due to calving. <a href="https://www.earth.com/video/nasa-reveals-3d-visual-of-an-atmospheric-river/">NASA</a> reports that while climate change likely started the retreat, mechanical processes kept the disintegration going.



The NASA images are provided by Jesse Allen, Robert Simmon, Joshua Stevens, and Lauren Dauphin using data from Landsat satellites, from the U.S. Geological Survey, and data from MODIS on NASA’s Terra satellite. The structure of Columbia’s moraine played a large role in the stability of the glacier before 1980. 



Like other tidewater glaciers, the Columbia built up a moraine over time, and the mixture of ice and rock functioned like a dam keeping out the sea. It was supported on one end by the shoreline and by the underwater terminal moraine at the other.



Video Credit: NASA Earth Observatory/&nbsp; NASA’s Scientific Visualization Studio



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The rapid retreat of the Columbia Glacier

[sendtonews key="0879czfG3k-1785905-12187" type="single"] Today’s Video of the Day from NASA...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="6HyfrAJTBI-1831843-12187" type="single"]</div>



Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the Pyrenees Mountains, which form a natural boundary between France and Spain in southwest Europe.



The mountain range is 430 kilometers in length. It stretches from the Mediterranean Sea on the east to the Atlantic Ocean on the west.



At an elevation of 3404 meters, Pico de Aneto is the highest mountain peak in the Pyrenees, and the third-highest peak in Spain. Pico de Aneto is located in the Posets-Maladeta Natural Park, which spans more than 82,000 acres.&nbsp;



"Geological studies have revealed that the Pyrenees Mountains have been around for longer than the Alps, with their sediments first deposited in coastal basins during the Paleozoic and Mesozoic eras," reports ESA.



"The entire mountain range formed due to the upwelling of large sedimentary rocks by the collision of the Iberian and the Eurasian plate around 100 to 150 million years ago, followed by intense erosion from ice and water."



The western Pyrenees receive more precipitation due to moisture blowing in from the Atlantic Ocean. The mountain range contains many lakes, several small glaciers, and some of the highest waterfalls in Europe.



Video &amp; Image Credit: ESA



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The Pyrenees Mountains in southwest Europe

[sendtonews key="6HyfrAJTBI-1831843-12187" type="single"] Today’s Video of the Day from the...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="0dEcERCq61-2283382-12187" type="single"]</div>



Today’s Video of the Day from <a href="https://www.stowers.org/">Stowers Institute for Medical Research</a> describes why experts are studying zebrafish to gain a better understanding of how the immune system responds to injury. Zebrafish have the ability to repair and regenerate organs.



“Organ regeneration offers an exciting opportunity for studying the immune system and to inquire why some species can regenerate organs like the heart or missing limbs while others like humans cannot,” explained Dr. Tatjana Piotrowski.



Zebrafish sensory organ hair cells are an ideal system to investigate the pathways and cell types involved in regeneration since they are easily destroyed with antibiotics and begin regenerating within five hours. This enabled the researchers to identify the exact timing and genetic programs for each anti-inflammatory macrophage activation state.&nbsp;



“Our hypothesis is that human macrophages do not receive the proper chemical activation 'cocktail' to instruct pro-regenerative processes,” said Dr. Nicolas Denans. “Identifying the molecular recipe of macrophage activation in zebrafish may one day enable us to design regenerative immunotherapies in humans.”&nbsp;&nbsp;&nbsp;



“The new evidence is a valuable resource for comparative studies on the genetic programs involved in macrophage-mediated repair and regeneration. In other words, different types of injuries may induce different kinds of inflammatory responses. We want to decipher whether this 'language' is universal or if there are a variety of dialects."



Video Credit: Stowers Institute for Medical Research&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

How the immune system responds to injury

[sendtonews key="0dEcERCq61-2283382-12187" type="single"] Today’s Video of the Day from Stowers...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="3UUsNkFOuS-2487333-12187" type="single"]</div>



Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes how record-breaking heat expressed itself around the world in 2022.



Scientists have determined that 2022 was the 5th warmest year since 1880. Furthermore, the last nine consecutive years have been the warmest on record.



From devastating floods and wildfires to natural disasters like Hurricane Ian, 2022 showed us yet again how a warming climate affects people across the globe.&nbsp;



"As we look back at 20:22 and years past, we see that each year we better understand the challenges we face and how important it is to meet them," says NASA.



Video/ Image Credit: NASA Goddard



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

2022 illustrated the consequences of a warming climate

[sendtonews key="3UUsNkFOuS-2487333-12187" type="single"] Today's Video of the Day from NASA...

Earth,Like,Exoplanet,3d,Render

<div class="wp-block-sendtonews-playerselector">[sendtonews key="QIoVYJqRBi-2434608-12187" type="single"]</div>



Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes two exoplanets that are orbiting a star 218 light-years away. A team of researchers led by the University of Montreal has found evidence that these planets are "water worlds."



The experts used data from NASA’s Hubble and Spitzer Space Telescopes. They discovered that exoplanets Kepler-138 c and Kepler-138 could be composed largely of water.



"We previously thought that planets that were a bit larger than Earth were big balls of metal and rock, like scaled-up versions of Earth, and that's why we called them super-Earths," explained study co-author Björn Benneke.&nbsp;



"However, we have now shown that these two planets, Kepler-138 c and d, are quite different in nature and that a big fraction of their entire volume is likely composed of water. It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time."



Video Credit: NASA Goddard



Image Credit: NASA, ESA, and Leah Hustak (STScI)



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Two distant planets may be "water worlds"

[sendtonews key="QIoVYJqRBi-2434608-12187" type="single"] Today's Video of the Day from NASA...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="JbW4VsY53O-1632195-12187" type="single"]</div>



Satellites reveal how Earth's systems are interconnected Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes Earth’s interconnected systems, and how this network is affected by rising temperatures.&nbsp;



During 2020, average global temperatures matched the hottest year on record. The hurricane season was also record-breaking, with many of the storms intensifying at extraordinary speeds. Hot water in the ocean is fuel for hurricanes. The satellite data shows that it's all one interconnected system showing how Satellites reveal how Earth's systems are interconnected.



According to NASA, dust swept up from Northern Africa plays a major role in the formation of hurricanes, and is also a key source of fertilization in the Amazon rainforest. As a result of<a href="https://www.earth.com/news/seagrass-wasting-disease-is-fueled-by-climate-change/"> climate</a> change, dust plumes are expected to decline, which will have an effect on vegetation far away.&nbsp;



Images from Earth-observing satellites show how the world’s plant life is affected by natural disasters, fires, and deforestation. Satellites also reveal how widespread changes in vegetation impact waterways,&nbsp; the climate, air quality. Satellites communicate by using radio waves to send signals to the antennas on the Earth. "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 



Video Credit: NASA Goddard&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Satellites reveal how Earth's systems are interconnected

[sendtonews key="JbW4VsY53O-1632195-12187" type="single"] Satellites reveal how Earth's systems are interconnected...

Today’s Video of the Day from the <a href="https://welcome.miami.edu/">University of Miami</a> Rosenstiel School of Marine and Atmospheric Science explores how changes in water temperatures have affected tiger shark habitats and movements in the North Atlantic Ocean. The study reveals that rising temperatures have caused the sharks to shift toward the poles over the past 40 years.



“Tiger shark annual migrations have expanded poleward, paralleling rising water temperatures,” explained study lead author Neil Hammerschlag. “These results have consequences for tiger shark conservation, since shifts in their movements outside of marine protected areas may leave them more vulnerable to commercial fishing.”



The researchers analyzed nine years of tracking data from satellite-tagged tiger sharks, combined with four decades of conventional tag and recapture data provided by National Oceanic and Atmospheric Administration (NOAA) Cooperative Shark Tagging Program.



The experts found that during the last decade of record heat, for every one-degree Celsius increase in water temperatures, tiger sharks migrated further poleward by over 400 kilometers. They also migrated two weeks earlier than usual to waters off the northeastern coast of the United States.



“Given their role as apex predators, these changes to tiger shark movements may alter predator-prey interactions, leading to ecological imbalances, and more frequent encounters with humans,” concluded Professor Hammerschlag.



Video Credit: University of Miami Rosenstiel School of Marine and Atmospheric Science



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Tiger sharks are shifting poleward as temperatures rise

Today’s Video of the Day from the University of Miami...