The primary pollutant in Milwaukee on Monday is PM2.5, which can be caused by wildfire smoke, vehicles and power plants.

Law firms representing the NAACP sent xAI a notice of intent to sue over alleged Clean Air Act violations in Mississippi.

After a Falcon 9 rocket stage burned up in the atmosphere, vaporised lithium and other metals drifted over Europe. This ...

China’s rapid urbanization has fueled an unprecedented expansion of construction, dramatically increasing energy use and emissions across supply chains and building operations. While air quality ...

A coalition of health and environmental groups sued the Environmental Protection Agency on Wednesday, challenging the ...

A coalition of health and environmental groups sued the Environmental Protection Agency on Wednesday, challenging the rescinding of a scientific finding that has been the central basis for U.S. action ...

A group of environmental organizations filed suit against the Environmental Protection Agency Wednesday for cutting rules to lower tailpipe pollution.

Last year, six hog farms in the state were the first to get funding from California’s program to offset its emissions from ...

WASHINGTON (AP) — The Trump administration on Thursday revoked a scientific finding that long has been the central basis for U.S. action to regulate greenhouse gas emissions and fight climate change, ...