Air pollution has dropped by 30 percent over the northeastern U.S.

Air pollution has dropped by 30 percent over the northeastern U.S. Satellite data from the NASA Goddard Space Flight Center has revealed that nitrogen dioxide pollution levels were 30-percent lower across the Northeast in March compared to the same time last year. The decline is tied to widespread restrictions that are keeping millions of Americans on lockdown during the COVID-19 pandemic.  Atmospheric levels of nitrogen dioxide (NO2) are primarily influenced by vehicle emissions and electricity generation. Major U.S. cities including Seattle, Los Angeles, Atlanta, and Chicago …