A new study reevaluates the use of vapor pressure deficit, or VPD, in climate models to predict increases in area burned by wildfire across the U.S. West.
Climate Change
Posted inNews
Vegetation Moves Upslope Across the Himalayas
The vegetation line in places like Nepal and Bhutan is shifting upward by meters per year, with implications for how water moves through the planet’s “Third Pole.”
Posted inEditors' Vox
Tracing Water’s Hidden Journey Through the Earth’s Living Skin
Water’s natural fingerprints reveal how it’s stored, mixed, and released through the Earth’s Critical Zone, potentially improving Earth System models in a rapidly warming world.
Posted inNews
Tree Lines Are Migrating. Some Up, Some Down.
Between 2000 and 2020, 42% of tree lines around the world crept upward, largely because of climate change. But 25% moved downhill, seemingly because of factors such as land use changes and wildfires.
Posted inResearch & Developments
2026 Has Already Broken Climate Records. El Niño Could Break More.
As the midpoint of the year approaches, several climate records have already been broken. Arctic winter sea ice extent reached a record low. Several countries saw record-breaking winter heat waves. And more than 150 million acres have already burned globally in wildfires.
Posted inNews
Urban Methane Emissions Are Rising, Despite Cities’ Pledges
Eyes in the sky could help cities get on track to decrease emissions of the potent greenhouse gas—and monitor whether their efforts are working.
Posted inNews
This Arctic Atlas Shows Where Oil and Gas Activities Overlap with Wildlife and Indigenous Communities
To slow climate change, the world must keep its fossil fuels in the ground. New maps of Arctic activities show where resources should stay put.
Posted inThe Landslide Blog
The 10 August 2025 landslide and tsunami at Tracy Arm fjord in Alaska
A wonderful new paper on the huge Tracy Arm landslide and tsunami will have profound but challenging implications for the management of risk in an age of increased tourism and rapid climate change. The journal Science has published an excellent new paper (Shugar et al. 2026) that examines the extraordinary 10 August 2025 landslide and […]
Posted inNews
The Forensics of a Skyscraper-Sized Tsunami
A landslide in Tracy Arm Fjord in Alaska created the second-largest tsunami on record. A new analysis links this abrupt event to the retreat of a glacier and, ultimately, to climate change.
Posted inResearch & Developments
Temperatures in Nearly All Major U.S. Cities Have Warmed Since First Earth Day
After more than half a century of Earth Days, one planetary challenge—climate change—threatens our planet more than ever.
In 1970, the year Sen. Gaylord Nelson, D-Wisc., organized the first Earth Day events, the annual average concentration of carbon dioxide in the atmosphere was 326 parts per million. In 2025, it was 31% higher, at 427 parts per million.