An artist’s conception shows a hypothetical planet with two moons orbiting within the habitable zone of a red dwarf star. Credit: NASA/Harvard-Smithsonian Center for Astrophysics/D. Aguilar First study to combine 3D climate modeling with chemistry explores M dwarf planets. Study is the first to include 3D chemistry to understand how […]

The Active Sensing of Carbon Emissions over Nights, Days and Seasons (ASCENDS) campaign flew over Nome, Alaska, on August 5, 2017, as part of NASA’s Arctic Boreal Vulnerability Experiment (ABoVE). Credit: NASA A NASA-funded study suggests winter carbon emissions in the Arctic may be adding more carbon into the atmosphere […]

Taku glacier in Alaska can be seen holding strong in this satellite image captured in August 2014. (Image: © NASA Earth Observatory) Massive and meaty, the Taku glacier in Alaska’s Juneau Icefield was a poster child for the frozen places holding their own against climate change. As the largest of 20 major glaciers […]

Credit: CC0 Public Domain Exactly 40 years ago, a small group of scientists met at the world’s first climate conference in Geneva. They raised the alarm about unnerving climate trends. Today, more than 11,000 scientists have co-signed a letter in the journal BioScience, calling for urgently necessary action on climate. This […]

Today the president can start formally withdrawing from the Paris climate pact. The biggest loser may be the US, some experts say. PHOTOGRAPH: BRENDAN SMIALOWSKI/GETTY IMAGES When President Trump visited Pittsburgh last month, he complained about how the Paris climate treaty was unfair to the United States. “I withdrew the United States […]