Researchers explain how nitrate from farming and fish ponds moves through water and pollutes freshwater lakes.

Nitrate pollution has become one of the most widespread water quality challenges in intensively farmed regions around the world, threatening drinking ...

The relationship between air pollution and cardiovascular harm was supported by another study, this time down to the level of specific types of pollution that appeared to have varying effects ...

How dark is the night sky where you live? If you’re in an urban area, the answer will likely be “not dark at all”. The pervasiveness of artificial light – be it in the form of streetlamps, billboards, ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. The state Environmental Protection Commission focused on Iowa drinking water at its December meeting ...

While residents living in north Denver and Commerce City know they’re often breathing dirty air, the large number of industrial businesses and highways in the area can make it difficult to pinpoint ...