The agreement between the EPA and Colorado illustrates how the state has benefited from strong federal oversight even when it ...

The state is taking a major step to protect people from air pollutants that cause cancer or other major health problems, ...

Congress has never given the EPA explicit instruction to cut greenhouse gases from power plants or motor vehicles, but the agency has relied on the power it was given in the 1970 Clean Air Act to set ...

The Globeville, Elyria-Swansea and Commerce City communities ... suffered from air pollution, they’re not the only ones in Colorado. Now, Colorado is taking a major step to protect people ...

He unveiled the Trump administration’s widely anticipated assault on regulation on all fronts at once, announcing 31 separate actions to roll back restrictions on air and water pollution, hand over ...

The head of the EPA announced a series of actions to roll back landmark environmental regulations, including rules on ...

Colorado is in the process of setting health-based standards that will limit the amount of five chemicals allowed in the air.

President Donald Trump is conducting a reorg. National Dems may eventually get to a re-do. State agencies will need a re-up.

The Environmental Protection Agency has announced dozens of rule changes calling it the "most consequential day of deregulation in U.S. history." ...