Climate & Climate Change

June 08, 2009
NCAR researchers are studying whether the eruption of Indonesia’s Mt. Toba supervolcano about 70,000–75,000 years ago may have cooled Earth enough to initiate an ice age and potentially alter the course of human evolution.
Color visualization of globe with North Pole in center
May 27, 2009
Melting of the Greenland ice sheet may drive more water than previously thought toward the already threatened coastlines of New York, Boston, Halifax, and other cities in the northeastern United States and Canada.
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.



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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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