Victim of the times, Kemmerer coal-fired generator shuts down
Unit 3 burned 165 tons of coal an hour, but it won’t consume as much as a briquette tomorrow.
Clean Air Act
How much corruption will Barrasso accept in EPA chief Pruitt?
Opinion
by 3 Comments Pruitt’s behavior is scandalous even by Trump standards, but he’s safe so long as Wyoming’s Jr. senator chairs the committee overseeing him.
NPS urges tighter ozone standard to protect ecosystems
The National Park Service wants U.S. EPA to set a more protective standard for ground-level ozone pollution to minimize impacts to plants and ecosystems.
30 years of data show wilderness water pollution
In Wind River Range, where air is supposed to be pristine, pollution changes life in alpine lakes
State contests reservation boundary for EPA air quality ruling
As a century old issue roils Riverton and the Wind River reservation, the state says EPA got the law all wrong