The Supreme Court is gearing up for arguments in a case that could change a key tenet of administrative law: the degree of deference federal agencies get from the courts.

A $20 million fine imposed on Exxon Mobil Corp. for air pollution permit violations in 2017 may have seemed like a drop in the bucket, but the oil giant has launched an aggressive appeal of the penalty.

The Congressional Research Service on Friday released a report examining the impacts of taxing carbon, as lawmakers bicker in an increasingly intense debate about how to tackle climate change.

Mayor Rick Eberlin of Grafton, Ill., knows that by the end of this week he will probably be in another fight with the Mississippi River. But sandbags and flood walls are not in his arsenal.

A Trump administration proposal to vastly expand federal conservation land along the East Coast is facing protests from states and communities that say the plan will damage tourism industries.