The U.S. Environmental Protection Agency is installing a barrier and valve inside an inactive Colorado mine to prevent another surge of toxic wastewater.
CDOT director Shailen Bhatt told I-70 opponents that it's "the American process" to sue, and they have taken him up on that challenge.
The EPA says Pruitt spoke about the agency's intent to promote environmental stewardship without costing coal industry jobs.
Colorado Gov. John Hickenlooper said Friday that the state had joined a lawsuit over the delay brought by environmental groups.
The air pollution contributed to ozone pollution along the Colorado Front Range, according to a civil complaint. Ozone can lead to smog.
He touted the fact that while he originally hoped for a 10 percent EPA cut, the figure today is more like 30 percent, a remark that won hearty applause.
Companies in the past avoided cleanup costs in many cases by declaring bankruptcy.
Senate Republicans used their majority to confirm President Donald Trump's nominee to lead the Environmental Protection Agency Friday, despite calls from Democrats to delay until requested emails are released.
The agency inadvertently triggered the 3-million-gallon blowout in August 2015.
As the story unfolds, organizations large and small are scrambling to determine what it could mean for them.
The EPA said Friday the claims could be refiled in federal court, or Congress could authorize payments.
The Environmental Protection Agency said Friday it will pay $4.5 million to state, local and tribal governments for their emergency response to a mine spill that the EPA triggered.
Crews are returning to the scene of a massive mine waste spill in southwestern Colorado to stabilize the mine opening with steel bracing and concrete.