The EPA is considering using robots and other sophisticated technology to help prevent mine "blowouts" or clean them up if they happen.
Manure runs downhill. It’s just a matter of where it ends up.
The agency started work on safety standards after the spill and expects to soon finish them, investigators from the EPA's Office of Inspector General said.
You would be forgiven for thinking that Colorado and surfing don't really go together. Except they do on the South Platte River.
The U.S. Air Force is poised to spend $2 billion to clean up synthetic chemicals that have contaminated soil and groundwater across the U.S.
- A couple is spending 365 days in the nation's most visited wilderness area to raise awareness of a sulfide-ore mining plan they say will put the watershed ecosystem in danger. Some locals disagree.Read More
- Environmental authorities are scrambling to assess damage from the leak, caused when a plug blew at the Gold King Mine near Silverton.Read more