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Science

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Siberia, Greenhouse Effect, Permafrost, Carbon, Pleistocene, Methane, Lakes, Global Warming, Thaw Lakes, Alaska

Gas from Melting Permafrost Feeds Climate Warming at Higher Rate than Expected

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A study co-authored by a Florida State University scientist in Tallahassee, Fla., and published in the Sept. 7 issue of the journal Nature has found that as the permafrost melts in North Siberia due to climate change, carbon sequestered and buried there since the Pleistocene era is bubbling up to the surface of Siberian thaw lakes and into the atmosphere as methane, a greenhouse gas 20 times more potent than carbon dioxide.

Science

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Antarctic, Oscillation, Warming, Climate, Annular, MODE, ice, core, Temperature, Record

New Evidence Shows Antarctica Has Warmed in Last 150 Years

New research suggests Antarctica has been getting gradually warmer for the last 150 years, a trend not identifiable in the short meteorological records and masked at the end of the 20th century by large temperature variations.

Science

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Climate, Change, Genetics, Drosophila, Warming, Europe, America

Evolution of Old World Fruit Flies on Three Continents Mirrors Climate Change

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New research shows fast-warming climate appears to be triggering genetic changes in a species of fruit fly that is native to Europe and was introduced into North and South America about 25 years ago.

Science

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Environment, Climate Change, Antarctica, Greenhouse Effect

Drainage of Subglacial Lakes Created Canyons of Antarctica 12-14 Million Years Ago

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Researchers at Syracuse University and Boston University have discovered evidence for a warming climate change that occurred more than 14 million years ago. The result -- catastrophic drainage of subglacial lakes caused flooding that formed a 50-kilometer maze of canyons (called the Labyrinth) in Antarctica's southern Victoria Land. Could this happen again?

Science

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Katrina, Zogby Poll, Global Warming

Poll Shows Public Linking Hurricanes and Heat Waves to Global Warming

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As first anniversary of Hurricane Katrina nears, a just-released Zogby poll shows that not only are Americans more convinced global warming is happening, they are also linking recent intense weather events like Hurricane Katrina and this summer's heat wave and droughts to global warming.

Science

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Climate, Change, Global, Warming, Dan, Cayan, RON, Flick, California, Sea, Level, Rises, Beaches

Report Warns of More Frequent Coastal Flooding and Rising Sea Levels

The California Climate Action Team has released a summary report of 17 scientific studies examining the potential impacts of climate change on California. Today, officials discussed the report, the science and what the state is doing to take action on reducing heat-trapping gases that threaten to cause more frequent coastal floods, rising sea levels, beach erosion and disruptions to wetlands.

Science

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Climate Change, Global Warming, Rocky Mountains, Pollination, Phenology

Climate Change Threatens Pollination Timing

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One of the most insidious impacts of global warming will be changes in the timing of ecological events which can disrupt natural communities. At a special session on this subject at the ESA annual meeting, University of Maryland's Dr. David Inouye presents three decades of data suggesting climate change impacts on pollination ecology in mountain environments.

Science

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Environment, Florida, Science

Palm Deaths Accelerating on Florida Coast; Likely Cause Is Rising Seas

Palm trees on Florida's west coast appear to be dying more rapidly than in previous years because of sea level rise tied to global warming.

Science

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Water, soil, Greenhouse, Nutrient, Warming, Geochemistry, Arctic

Microscopic Geochemical Processes Point to Potential Problems If the Arctic Warms

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A little-known valley in northern Sweden holds evidence that warming temperatures may lead to significant changes in nutrient availability for plants and increasing amounts of greenhouse gases, a University of Arkansas researcher and his colleagues say.

Science

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Global Warming, Wet Tropics, Queensland, Biodiversity

Global Warming Threatens Biodiversity in Australia's Wet Tropics

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Earthwatch-supported scientist, Dr. Stephen Williams of James Cook University, reports on the limited distributions of diverse rainforest animals in the Wet Tropics of Queensland, Australia. Stranded on mountaintop habitats, these populations may have nowhere to go in the face of climate change, making them vulnerable to extinction.

Science

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pine, Plantation, Lumber, Carbon, Dioxide, Global, Warming

Pine Plantations May Be One Culprit in Increasing Carbon Dioxide Levels

The increasing number of pine plantations in the southern United States could contribute to a rise in carbon dioxide levels in the atmosphere, a new study reports. This is important because carbon dioxide is a key greenhouse gas, one that is linked to global warming.

Science

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Environmental Research, Aerosols, Climate Change, Clouds, Greenhouse Gases

Tiny Airborne Particles are a Major Cause of Climate Change

A new paper by Dr. Ilan Koren of the Weizmann Institute Environmental Studies and Energy Research Department and Dr. Yoram Kauffman of the NASA/Goddard Space Flight Center, USA,* published in Science Express online, weaves together two opposing effects of atmospheric aerosols to provide a comprehensive picture of how they may be affecting our climate.

Science

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Wildfires, Western, U.S., Climate, Warming, Forest

Warming Climate Plays Large Role in Western U.S. Wildfires

A study implicates rising seasonal temperatures and the earlier arrival of spring conditions in connection with a dramatic increase of large wildfires in the western United States.

Science

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Climate, ice, Cores, Global, Warming

First Compilation of Tropical Ice Cores Shows Abrupt Global Climate Shift

For the first time, glaciologists have combined and compared sets of ancient climate records trapped in ice cores from the South American Andes and the Asian Himalayas to paint a picture of how climate has changed "“ and is still changing "“ in the tropics. Their conclusions mark a climate shift to a much warmer world within the last 50 years.

Science

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Climate Change, Global Warming

Experts on Global Warming

The following faculty members from The University of Texas at Austin are available to the media for interviews concerning global warming issues.

Science

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NCAR, National, Center, Atmospheric, Research, Hurricane, Global, Warming, Kevin, Trenberth, Dennis, SHEA, Cycles, American, Geophysical, Union, Katrina, RITA, Wilma, Sea Surface, Temperatures, Atlantic, Multidecadal, Oscillation

Global Warming Surpassed Natural Cycles in Fueling 2005 Hurricane Season

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Global warming accounted for around half of the extra hurricane-fueling warmth in the waters of the tropical North Atlantic in 2005, while natural cycles were only a minor factor, according to a study from the National Center for Atmospheric Research appearing in the June 27 issue of Geophysical Research Letters.

Science

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Climate, Earth Sciences, Atmospheric Science

Tropical Rainforest Nutrients Linked to Global Carbon Dioxide Levels

Extra amounts of key nutrients in tropical rain forest soils cause them to release more carbon dioxide into the atmosphere, according to research conducted by scientists at the University of Colorado (CU) - Boulder.

Science

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Arctic, Warming, Global, Warming, Polar, Bears, Greenhouse, Gases, Intergovernmental, Panel, Climate, Change

Scientists Spotlight Arctic Warming, Plight of Polar Bears

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A climate scientist at the University of Chicago and 30 of her colleagues from across North America and Europe are urging the U.S. Fish and Wildlife Service to list the polar bear as a threatened species because global warming is melting its sea-ice habitat.

Science

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Global, Warming, Wildlife

Experts Available to Discuss Global Warming and Wildlife

If you're looking for experts to discuss the impact global warming has on wildlife and large-scale ecosystems, call the National Wildlife Federation.

Science

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Global, Warming, Gore, Climate, Change, Inconvenient, Truth

Experts Available to Discuss Global Warming and "An Inconvenient Truth"

In the coming weeks, former Vice President Al Gore's film, "An Inconvenient Truth," (www.climatecrisis.net), will be released nationally and in the San Diego region beginning June 9. The movie focuses on problems associated with global warming-driven changes and draws attention to climate change issues.







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