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.

Beijing has announced it will add 50 miles of subway track by the end of next year, making the city's subway system bigger than New York's. But will the new additions alleviate the city's notorious traffic and pollution?

Farmers in Liuchong village in the Central Chinese province of Hubei are standing up to a local phosphate mining operation and fertilizer factory they blame for polluting the village's water and air, killing their crops and livestock, and leading to a sharp increase in cancer rates in the region.

The Environmental Protection Agency is expected to propose a new rule today that will require refiners to cut the amount of sulfur in gasoline by two thirds.

China now burns nearly as much coal as the rest of the world combined. That's one reason for the recent severe smog outbreaks that have many Chinese residents complaining about air pollution.