The dirtiest coal-fired power plant in the US and dozens of others are being exempted from stringent air pollution mandates ...

The green light came courtesy of President Donald Trump and was part of a flurry of measures announced to prop up the coal ...

Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays.

The facility, in Colstrip, Mont., used a new E.P.A. system for requesting special waivers from President Trump.

Arizona lawmakers have so far allowed the House bill to move forward, despite warnings that it's unconstitutional and a risk ...

Referring to a little-known provision, it said power plants and others could write to seek exemptions to mercury and other ...

US President Donald Trump may allow some power plants, chemical makers and others to bypass a range of regulations for years ...

Researchers found that exposure to nitrogen dioxide (NO₂) and fine particulate matter (PM2.5) is linked to lower scores in key cognitive abilities. The post Study finds link between air pollution and ...

Long-term exposure to high levels of air pollution may harm the brain health of older adults in England, finds a new study.