While Sen. Bill Cassidy has maintained he will win, President Donald Trump's endorsement of Letlow is a particular blow.

The pair of executive orders acknowledges the factors driving up energy costs that are outside the state’s control: sky-high ...

A federal appellate court panel did not seem swayed by industry groups’ plea to toss EPA’s hazardous substance designations ...

Karen Budd-Falen failed to disclose a multimillion-dollar water rights deal her family made with the company developing the ...

The Trump team is expected to finalize its proposal to scrap the Obama-era determination that greenhouse gases “endanger” ...

The president’s move to withdraw from the U.N. framework convention is pushing the nation into a legal no-man’s land.

A developer for OpenAI and Oracle is facing stiff opposition to a proposed $1.4 billion transmission line for its Stargate ...

Legislation up for a vote this week is part of the Republicans' expansive use of the Congressional Review Act.

Draft legislation proposing significant changes to the Toxic Substances Control Act is up for a hearing this week.

Temperature goals aren't enough, some scientists say. Another metric could help highlight the real-world impacts of global ...

Union Pacific and Norfolk Southern say their merger would decrease emissions-heavy truck traffic. Rail shippers argue the ...

The House Energy and Commerce Committee is poised to approve a piecemeal overhaul of the Clean Air Act this week, albeit in ...