carbon

National Park Service officials are asking for the public to weigh in on its long-range transportation plan that'll serve more than 400 parks nationwide.

Northern Arizona’s largest health care chain says it’ll work to reduce carbon emissions at its Flagstaff and Verde Valley medical centers.

Astrobiologist Daniel Apai turns to the natural world for solutions to climate change. Lately, he’s been investigating one of Earth’s most basic lifeforms—abundant ocean-dwelling algae called coccolithophores.

Navajo Transitional Energy Company has invested in another energy company that is aiming to develop a large-scale platform for carbon capture services.

Redwoods that grow on the Pacific coast are among the largest and oldest living organisms on Earth. Yet after a wildfire, burned trees can regrow from a sprout no bigger than a pencil shaving. Scientists at Northern Arizona University have begun to investigate the enigmatic origins of these baby redwoods, using a state-of-the-art machine that offers a rare glimpse into the past.

A new study published last week shows Earth’s ecosystems are fast losing their ability to soak up extra carbon from the atmosphere. Scientists collected…

New research from Northern Arizona University shows a dramatic plunge in gasoline, jet fuel, and diesel use during the coronavirus pandemic. KNAU’s…

The Flagstaff City Council Tuesday night unanimously voted to move forward in declaring a climate emergency. KNAU’s Ryan Heinsius reports, the resolution…

The world’s hottest rainforest isn’t the Amazon. It’s not even in the tropics. It’s kept under glass in the desert of Southern Arizona. Biosphere 2,…