sea ice

Arctic change has widespread impacts

March 7, 2019

As the Arctic warms faster than the rest of the globe, permafrost, land ice and sea ice are disappearing at unprecedented rates.

An artist's imagining of a small mammal from the Late Cretaceous

Ancient ‘night mouse’ faced four months of winter darkness

Feb. 18, 2019

Paleontologists working on a steep river bank in Alaska have discovered fossil evidence of the northernmost marsupial known to science.

cooking flame

Your home is a hidden source of air pollution

Feb. 17, 2019

Cooking, cleaning and other routine household activities generate significant levels of chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city.

An image of a tree in a field depicting climate change and drought.

Reticent experts still have climate advocacy choices, scholars say

Feb. 13, 2019

Scientists can be climate advocates without tarring reputations, CU Boulder researchers contend.

Ice shelf breakup

Ice shelves buckle under weight of meltwater lakes

Feb. 13, 2019

CIRES scientists have directly observed an Antarctic ice shelf bending under the weight of ponding meltwater on top, a phenomenon that may have triggered the 2002 collapse of the Larsen B ice shelf.

Greenland ice sheet

Sand from glacial melt could be Greenland’s economic salvation

Feb. 11, 2019

As climate change melts Greenland’s glaciers and deposits more river sediment on its shores, international researchers have identified an unforeseen economic opportunity: exporting excess sand and gravel abroad.

McMurdo Dry Valleys

A water quality mystery, solved in Antarctica

Feb. 1, 2019

Scientists have developed a possible answer to a longstanding mystery about the chemistry of streamflow, which may have broad implications for watersheds and water quality around the world.

Baffin Island glaciers

A landscape unseen in over 40,000 years

Jan. 25, 2019

Glacial retreat in the Canadian Arctic has uncovered landscapes that haven’t been ice-free in more than 40,000 years, and the region may be experiencing its warmest century in 115,000 years.


Greenland ice melting faster than expected

Jan. 22, 2019

Greenland is melting faster than scientists previously thought—and will likely lead to faster sea level rise—thanks to the continued, accelerating warming of the Earth’s atmosphere.

Lake Dillon

Colorado’s Lake Dillon is warming rapidly

Jan. 7, 2019

CIRES researchers harnessed 35 years of data to uncover responses of a high-elevation reservoir to a warming world.