Global Clean Energy Within Reach •

Global Clean Energy Within Reach


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Global Clean Energy Within Reach A new study — co-authored by Stanford researcher Mark Z. Jacobson and UC-Davis researcher Mark A. Delucchi — analyzing what is needed to convert the world’s energy supplies to clean and sustainable sources says that it can be done with today”s technology at costs roughly comparable to conventional energy. But converting will be a massive undertaking on the scale of the moon landings. What is needed most is the societal and political will to make clean energy happen.

Clean energy is energy gained from sources that do release air pollutants, while green energy is energy derived from natural sources. There is a subtle difference between these two energy types even though they are often spoken of as being the same.

Renewable energy is power generated from sources that are constantly being replenished. These renewable energy resources won’t run out, unlike fossil fuels and gas, and include wind and solar energy.

However, while most green energy sources are renewable, not all renewable energy sources are seen as being green. For example, hydropower is a renewable resource, but some would argue that it is not green, since the deforestation and industrialisation related to the building of hydro dams can damage the environment.

Credit: Mark Shwartz, Stanford University News Service and Woods Institute for the Environment.

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