On Thursday, the Environmental Protection Agency announced a suite of new rules aimed at dramatically reducing pollution from coal and natural gas fired power plants.

This is a reprint of the article that describes how I assigned a relative weighting for the different types of impacts for the EVO Tree.

New mothers are more likely to suffer depression if they are exposed to certain types of air pollution in the second trimester of pregnancy, researchers say.

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

VisionsofAmerica/Joe Sohm/Getty Images(WASHINGTON) -- The Biden administration on Thursday announced a series of new rules to cut pollution emitted from coal and natural gas fired power plants impacti ...