Climate & Climate Change

May 11, 2009
One of the challenges for global climate modelers is accurately simulating cloud cover and its changes over time. This is vital for projecting future temperatures, rainfall, and other aspects of global and regional climate change.
Color world map with bluish colors indicating more streamflow and reddish less
April 21, 2009
Rivers in some of the world's most populous regions are losing water, according to a new comprehensive study of global stream flow.
Global Warming: Cuts in Greenhouse Gas Emissions Would Save Arctic Ice, Reduce S
April 14, 2009
The threat of global warming can still be greatly diminished if nations cut emissions of heat-trapping greenhouse gases by 70 percent this century, according to a new analysis.
March 11, 2009
NCAR scientists are working on a bigger, bolder version of WACCM (the Whole Atmosphere Community Climate Model), called WACCM-eXtension, or WACCM-X for short. The enhanced version extends the model to an altitude of about 310 miles.
HIAPER aircraft during the HIPPO mission
January 29, 2009
A team of scientists has successfully flown from the Arctic to the Antarctic this month, the first step in a three-year project to make the most extensive airborne measurements of carbon dioxide and other greenhouse gases to date.

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The University Corporation for Atmospheric Research manages the National Center for Atmospheric Research under sponsorship by the National Science Foundation. Any opinions, findings and conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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