When it rains: The hidden impact of wildfire

Oct. 1, 2019

After a wildfire, rainfall carries organic contaminants into nearby watersheds, resulting in added filtration costs downstream.


Engineers join partnership to address critical U.S. water security issues

Sept. 25, 2019

CU Boulder is part of a new $100 million interdisciplinary partnership to address critical water security issues in the United States over the next five years, the U.S. Department of Energy announced Monday.


How to park a ship in ice

Sept. 25, 2019

Loaded with research equipment and CU Boulder scientists, the RV Polarstern icebreaker is steaming towards the central Arctic, searching for the perfect parking spot next to an ice floe.

Sea ice Andy Mahoney

Arctic sea ice reaches second lowest minimum in satellite record

Sept. 23, 2019

The National Snow and Ice Data Center announced Monday that Arctic sea ice reached its likely minimum extent on Sept. 18, 2019.

Sea stars huddle together under Antarctic ice

Antarctic marine protection treaty offers lessons for global conservation

Sept. 20, 2019

Researchers reflect on the lessons learned from a landmark multinational agreement protecting Antarctica's Ross Sea.

CIRES researcher Matthew Shupe talks Thomas Krumpen from the Alfred Wegener Institute

Epic climate science mission begins

Sept. 20, 2019

Hundreds of researchers from 19 countries are launching a yearlong journey to study Arctic climate.


Greenland’s growing ice slabs intensify meltwater runoff

Sept. 18, 2019

Thick, impenetrable ice slabs are expanding rapidly on the interior of Greenland's ice sheet, sending meltwater spilling into the ocean.

Chinook salmon released into Yukon River in Alaska, USA.

Researchers partner with Native Alaskan, Yukon communities to study climate impacts on rivers, fish

Sept. 17, 2019

Researchers at the Institute of Arctic and Alpine Research (INSTAAR) have been awarded $3 million to study the changing climate and rivers of Alaska and western Canada.

Sunrise in the Indian Peaks Wilderness

Volcanic eruption may explain recent purple sunrises

Sept. 12, 2019

Photographers and others with a keen eye have noticed that sunrises and sunsets have become a lot more purple in the U.S. New measurements from a high-altitude balloon could explain why.


The mysterious genetics of bird migration

Aug. 29, 2019

A gene newly associated with the migratory patterns of golden-winged and blue-winged warblers could lend insight into the longstanding question of how birds migrate across such long distances.