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NOAA: North American 2008 Cooling Attributed to Natural Causes

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Right side: 2008 annual surface air temperature, shown as a departure from the 1971-2000 climatology. Using computer-generated models as well as observations, the team analyzed causes for climate variations in the recent decades. Special emphasis was given to the reasons for North American coolness in 2008. Credit: NOAA.

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Improved measurements of sun to advance understanding of climate change

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Scientists have taken a major step toward accurately determining the amount of energy that the sun provides to Earth, and how variations in that energy may contribute to climate change. The most accurate value of total solar irradiance during the 2008 solar minimum period is 1360.8 ± 0.5

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Colorado State University Forecasters Predict Above-Average 2010 Hurricane Season

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The Colorado State University forecast team predicts an above-average 2010 Atlantic basin hurricane season based on the premise that El Niño conditions will dissipate by this summer and that anomalously warm tropical Atlantic sea surface temperatures will persist. The team began using a new early April statistical model in 2008.

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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as compared to 1990 emissions, to be achieved between 2008 and 2012. as compared to 1990 emissions, to be achieved between 2008 and 2012. ” —Danish Prime Minister Lars Løkke Rasmussen, introducing his proposal to forgo efforts to establish a binding climate treaty at the Copenhagen climate summit.

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USDA awards nearly $10M for research on using beetle-killed trees as feedstock for on-site thermochemical conversion technologies

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The US Department of Agriculture (USDA) awarded nearly $10 million to a consortium of academic, industry and government organizations led by Colorado State University (CSU) and their partners to research using insect-killed trees in the Rockies as a sustainable feedstock for bioenergy.

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Despite a Slight Recovery in 2009, Arctic Sea Ice Remains on Downward Trend

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Despite a slight recovery in summer Arctic sea ice in 2009 from record-setting low years in 2007 and 2008, the sea ice extent remains significantly below previous years and remains on a trend leading toward ice-free Arctic summers, according to the University of Colorado at Boulder’s National Snow and Ice Data Center. Earlier post.).

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Researchers Find That Unusual Arctic Warmth and Tropical Wetness Likely Cause for Methane Increase

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Unusually high temperatures in the Arctic and heavy rains in the tropics likely drove a global increase in atmospheric methane in 2007 and 2008 after a decade of near-zero growth, according to a new study. Starting in mid-2007, scientists noticed La Niña conditions beginning, waning and then intensifying in early 2008. Earlier post.)

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