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US Global Change Research Program Issues Report on Impacts of Climate Change in US; Details Point to Potential Value of Early, Aggressive Action

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Widespread climate-related impacts are occurring now in the US and are expected to increase. A product of the interagency US Global Change Research Program, the 190-page report was commissioned in 2007 and completed this spring. It is clear that climate change is happening now. Global Climate Change Impacts in the United States.

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NOAA: Global Combined Land and Ocean Surface Temperature Was Second Warmest for September

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The combined global land and ocean surface temperature was the second warmest September on record, according to NOAA’s National Climatic Data Center in Asheville, NC. Based on records going back to 1880, the monthly National Climatic Data Center analysis is part of the suite of climate services NOAA provides.

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US House Members Introduce Bipartisan Disapproval Resolution to Block EPA Regulation of GHG; Mirrors Murkowski Resolution

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US Senators Lisa Murkowski (R-Alaska) and Blanche Lincoln (D-Ark.) When Congress passed the Clean Air Act, it never gave EPA the explicit authority to regulate greenhouse gas emissions for the purpose of stopping global climate change. I do not agree with the EPA or the 2007 Supreme Court ruling that gave the Agency that authority.

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NOAA: Warmest April Global Temperature on Record; Also Warmest January-April

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The monthly analysis from NOAA’s National Climatic Data Center, which is based on records going back to 1880, is part of the suite of climate services that NOAA provides government, business and community leaders so they can make informed decisions. Global temperature anomalies in April 2010 with respect to a 1971-2000 base period.

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US and Japan successfully complete Arctic field trial of gas hydrate production technology using CO2-methane exchange within structure

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US Energy Secretary Steven Chu announced the completion of a successful test of technology in the North Slope of Alaska that was able to safely extract a steady flow of natural gas from methane hydrates. Conceptual rendering of CO 2 – CH 4 exchange methodology for the production of natural gas from hydrates. Source: NETL. Click to enlarge.

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Study Finds East Siberian Arctic Shelf Showing Instability and Widespread Venting of the GHG Methane; Releases May Be Much Larger and Faster Than Anticipated

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A section of the East Siberian Arctic Shelf (ESAS) seafloor that holds vast stores of frozen methane (CH 4 ) is showing signs of instability and widespread venting of the gas, according to the findings of an international research team led by University of Alaska Fairbanks scientists Natalia Shakhova and Igor Semiletov. Shakhova et al.

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NRC report projects sea level off most of California will rise at slightly higher rate than global average; lower rate for Oregon, Washington, NorCal; variety of factors affect outcome

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fingerprints) of melting of ice from Alaska, Greenland, and Antarctica; and vertical land motions along the coast. The output of GCMs (global climate models) was used to project the steric contribution (primarily thermal expansion) to global sea-level rise over the three time frames.

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