CO2

It was the biggest extinction in Earth's history. A new Smithsonian exhibit notes that some of the same things that killed over 90% of ocean species 250 million years ago are happening now.

The Earth passed a new threshold this week — an observatory in Hawaii clocked the highest levels of atmospheric carbon dioxide in human history. A...

“This has been a difficult year," Democratic Governor Steve Bullock says. "By some estimates our fire seasons are now about 78 days longer than they...

President-elect Donald Trump has promised a lot of change after he’s sworn in next month. MTPR Capitol reporter Corin Cates-Carney sat down with Montana…

About 100 advocates for renewable energy walked through uptown Butte earlier this week, chanting and thrusting signs in the air. Some protesters kept time…

U.S. Department of Energy officials held a briefing with the governor today on options for carbon capture in ensuring the future of Colstrip’s coal-fired…

HELENA, Mont. (AP) — A Montana legislative subcommittee has halted its work on tracking the federal Clean Power Plan. The move follows last week's U.S.…

Tuesday’s Supreme Court vote to temporarily block the Obama Administration's climate change regulations is receiving praise and criticism in…

WASHINGTON (AP) — A divided Supreme Court agreed Tuesday to halt enforcement of President Barack Obama's sweeping plan to address climate change until…

The future of Montana's Colstrip power plant is very much in the news lately. The Clean Power Plan rules announced by the Obama administration in August…