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Research Finds That Earth's Climate is Approaching 'Dangerous' Point

5/30/2007 NASA and Columbia University Earth Institute research finds that human-made greenhouse gases have brought the Earth’s climate close to critical tipping points, with potentially dangerous consequences for the planet. More

NASA Embarks on Cutting-Edge Polar Exploration and Research with 33 Funded IPY Projects

5/29/2007 NASA will fund 33 new scientific investigations to advance interdisciplinary studies of Earth's polar regions and the objectives of the International Polar Year (IPY). The three-year projects, supported through total of $18 million in funding, will be conducted by scientists and students at several NASA centers, U.S. universities and other research institutions. More

Working with Inuit Community Is Part of Arctic Field Expedition

5/17/2007 When Elizabeth Thomas, a graduate student at the University at Buffalo, travels this month to Baffin Island in the Canadian Arctic, she will sample sediments from frozen lakes as part of an NSF-funded research team, but she also teach Inuit students about global warming and take local schoolchildren on a sediment-coring field trip. More

NASA, CU-Boulder Study Shows Vast Regions of West Antarctica Melted in Recent Past

5/16/2007 A team of NASA and University of Colorado at Boulder scientists has found clear evidence that extensive areas of snow melted in west Antarctica in January 2005 in response to warm temperatures. More

Southern Ocean Study Sheds Light on Earth’s CO2 Cycles,
Possible Impacts of Climate Change

5/11/2007 A National Science Foundation-funded research team tracing the origin of the large carbon-dioxide increase in Earth’s atmosphere at the end of the last ice age has detected two ancient “burps” that originated from the deepest parts of the Southern Ocean around Antarctica. The study shows that carbon that had built up in the ocean over millennia was released in two big pulses at about 18,000 years ago and 13,000 years ago. More

Smithsonian Hosts Polar Science Symposium
To Celebrate International Polar Year 2007-2008

5/1/2007 The Smithsonian Institution will host a polar science symposium as one of the inaugural U.S. contributions to celebrate the International Polar Year 2007-2008. More

Arctic Sea Ice is Melting Faster than Predicted, Researchers Conclude

4/30/2007 Arctic sea ice is melting at a significantly faster rate than projected by the most advanced computer models, according to scientists at the National Snow and Ice Data Center (NSIDC) and the National Center for Atmospheric Research (NCAR). More

NASA's AIM Mission Soars to the Edge of Space

4/25/2007 NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft, the first mission dedicated to the exploration of mysterious ice clouds that dot the edge of space in Earth's polar regions, successfully launched on April 25. More

ANDRILL scientists Retrieve Pristine Record of Millions of Years of Antarctic Climate Cycles

4/23/2007 Frequent climate fluctuations on the world’s southernmost continent have been so extreme over the past five million years that Antarctica’s Ross Ice Shelf, a floating slab of ice the size of France, oscillated in size dramatically, and perhaps even disappeared for periods of time. More

Earth Day Cleanup at NSF's Palmer Station, Antarctica

4/20/2007 Residents at Palmer Station, a year-round U.S. research station on the Antarctic Peninsula, removed old debris from the sea floor near the station in late April, 2007, as a part of an annual Earth Day clean up. More
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