The facility, in Colstrip, Mont., used a new E.P.A. system for requesting special waivers from President Trump.
Mass firings and regulatory rollbacks come as scientists routinely determine pollution is far more damaging than previously ...
Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays. But in the troposphere, at ground level, this gas can wreak havoc on ...
Many native plants are missing from habitats where they should thrive – even in wilder areas. Why? Human actions such as ...