News from UCAR Members

News from UCAR Members & Affiliates

 

Civil engineers at the University of Washington have taken a first look at how dams in the Columbia River basin could be managed for a different climate.

Spillway structure releasing water from the Bonneville Dam.

Butterfly populations in California are declining and, in some cases, moving to higher elevations in the Sierra Nevada due to climate change and loss of habitat.

The Anna blue, Lycaeides idas, has become more common at the top of its elevatio

Testing hair from Asian monkeys living close to people may provide early warnings of toxic threats to humans and wildlife, according to a study published online last week in the American Journal of Physical Anthropology.

In Thailand, a longtail macaque sits in a garbage can to finish a snack scrounge

There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.

The structure of the frosty flakes also fascinate ice chemists like Purdue University's Travis Knepp, a doctoral candidate in analytical chemistry who studies the basics of snowflake structure to gain more insight into the dynamics of ground-level, or "tropospheric," ozone depletion in the Arctic.

snow crystals

In a striking finding that raises new questions about carbon dioxide’s (CO2) impact on marine life, Woods Hole Oceanographic Institution (WHOI) scientists report that some shell-building creatures—such as crabs, shrimp and lobsters—unexpectedly build more shell when exposed to ocean acidification caused by elevated levels of atmospheric carbon dioxide.

conch shell

Human activities have already pushed the earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world.

Color chart

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