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.

Arctic sea ice

A year in the ice: Researchers join historic mission to the Arctic

Aug. 12, 2019

Dozens of CU Boulder researchers will take part in the MOSAIC expedition, which will send an icebreaker ship into the winter pack ice to drift for an entire year.

A plume of smoke rising into the air

Wildfire smoke provides clues on nuclear war, geoengineering

Aug. 8, 2019

Wildfire smoke can persist for months in the stratosphere, giving scientists an opportunity to fine-tune models of climate change, nuclear winter and geoengineering.

An ice sheet in Antarctica, which scientists are now better able to measure

A clearer picture of global ice sheets

July 9, 2019

Improvements in satellite imaging and remote sensing equipment have allowed scientists to measure ice mass in greater detail than ever before.

Lara Vimercati examines a nieves penitentes structure on Volcán Llullaillaco in Chile

Even in jagged volcanic ice spires, life finds a way

July 8, 2019

High in the Andes Mountains, dagger-shaped ice spires house thriving microbial communities and an oasis for life in one of Earth’s harshest environments.

2013 Boulder flood

More than weather: How climate change is changing economics and infrastructure

June 11, 2019

Your house may be worth less. Your stuff might take longer to deliver. Whether you believe in it or not, climate change is changing the world around you. That and more on this episode of the Brainwaves podcast.