pollution

Agency is forbidden from taking costs into account when writing rules like one proposed this week that would lower amount of smog-causing ozone allowed in the air.

The U.S. and China are drawing a line in the sand on greenhouse gas emissions.

Why reducing acid in rain is just the first step in recovery.

Fabien Cousteau will spend 31 days living in an underwater laboratory

That's the good news. Less good: The next half is the hard part.

Lanzhou’s water supply was contaminated with Benzene, a cancer-causing chemical

Coal may be synonymous with pollution but as coal historian Barbara Freese found, that wasn’t always the case.

The Environmental Protection Agency's is issuing new limits on emissions by coal-burning plants that new plants will need advanced carbon-capture technology to comply.

With the financial help of Internet company Alibaba, Liu Chunlei has been crowdsourcing so-called 'Danger Maps' to make pollution information publicly available.

China's government policy to promote coal use may have cut life expectancy for millions of people by more than five years on average.