The US Environmental Protection Agency is looking to remove the legal underpinning for most regulations against climate change.

An air quality health advisory was issued for the New York City Metro area due to the impact of smoke from Canadian wildfires, authorities said.

The Supreme Court on Monday upheld the authority of Pollution Control Boards to impose environmental compensation and seek ...

At 9 a.m. on Monday, the National Weather Service reported an air quality alert in effect until 8 p.m. for Mercer County.

Wildfire smoke has been easy to spot in Minnesota this week, coating the Twin Cities in a brownish haze that obscured the ...

Air quality alerts were issued across Wisconsin, Michigan, Pennsylvania, New York, Massachusetts, Vermont, Maine, Delaware, Texas and Colorado on Monday.