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Penn State study finds that 59% of U.S. counties lack air quality monitoring. These “monitoring deserts” put over 50 million people at risk.

Illinois, Chicago and other local governments must step up to advance environmental progress while the federal government ...

Nation’s grassland birds, found in 14 states, have declined 43% since 1970, more than any other category, and are currently ...

Across the United States, 58% of counties have no active air-quality monitoring sites, according to a new study. Rural counties, especially those in the Midwest and South, are less likely to have ...

Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in ...

Active since last week, the shower is formed from a comet’s debris and is forecast to produce the most fireballs overnight.

A high-profile insurance dispute over ethylene oxide emissions has led the Seventh Circuit to certify a key question to the ...

Cap-and-trade market in India reduced air particulates by up to almost a third while also reducing industrial costs ...

The Chicago area could see thunderstorms Sunday night and into Monday morning, but some communities are now under a tornado ...

The Lyrid meteor shower—also known as the April Lyrids—is an annual meteor shower that typically occurs between April 15 and ...