air pollution

Greenland ice cores show record of acid rain, success of U.S. Clean Air Act

Posted in Science on 13th Apr, 2014
by Alex Muller

The rise and fall of acid rain is a global experiment whose results are preserved in the geologic record.

Climate change means more wildfires, and more air pollution

Posted in Featured, Science on 5th Feb, 2014
by Alex Muller

Wildfires not only jeopardize lives and property. They also cause air pollution, from planet-warming carbon dioxide to health-endangering soot and nitrogen oxides.