Woelders

Rapid changes in the high Arctic

May 1, 2018

A new study led by an INSTAAR postdoctoral researcher has found dramatic shifts in the ecosystem of a remote archipelago in the Arctic Ocean.

Boulder traffic

A pollution 'rush hour' in Boulder

April 30, 2018

A new NOAA-led study shows that chemical emissions from personal care products are comparable to car emissions and contribute to air pollution in Boulder.

greenland sea ice cover

Ice-free Arctic summers could hinge on small climate warming range

April 2, 2018

When it comes to the probability of future ice-free summers in the Arctic, a small range of climate warming over the next century could make all the difference.

sea ice extent

Arctic sea ice maximum at second lowest in the satellite record

March 23, 2018

Sea ice over the Arctic Ocean likely reached its maximum extent for the year on March 17, the second lowest in the 39-year satellite record.

Flatirons with snow

Rain or snow? Humidity, location can make all the difference

March 20, 2018

A new map of the Northern Hemisphere shows how and why different areas receive snow or rain at near-freezing temperatures.

McMurdo Dry Valleys

Airborne soot's effect on Antarctica's glaciers

March 16, 2018

Airborne soot produced by wildfires and fossil-fuel combustion and transported to the McMurdo Dry Valleys of Antarctica contains levels of black carbon too low to contribute significantly to the melting of local glaciers.

Deforestation in Madagascar

How cash can promote tropical forest conservation

March 13, 2018

Paying rural villagers to cut down fewer trees boosts conservation not only while the payments are being made but even after they’re discontinued, according to a new CU Boulder study.

hogback ridge

The ups and downs of hogback ridges in Colorado

Feb. 23, 2018

A new study sheds light on the formation of Colorado's distinctive hogback ridges, many of which can be seen in Boulder's foothills.

engelmann spruce at Pikie's Peak

Drier conditions could doom Colorado spruce and fir trees

Feb. 22, 2018

Drier summers and a decline in average snowpack over the past 40 years have severely hampered the establishment of spruce and fir trees in Colorado's Front Range.

Northern rock jasmine

Climate warming causes local extinction of Rocky Mountain wildflower species

Feb. 21, 2018

Increased temperatures caused localized extinction of a common Rocky Mountain flowering plant, a result that could serve as a herald of future population declines.

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