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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.

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Study projects thermoelectric power in Europe and US vulnerable to climate change due to lower summer river flows and higher river water temperatures

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A study published in Nature Climate Change suggests that thermoelectric power plants (i.e., nuclear and fossil-fueled generating units) in Europe and the United States are vulnerable to climate change due to the combined impacts of lower summer river flows and higher river water temperatures. Source: van Vliet et al.

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Washington Governor Issues Executive Order Directing State Actions to Reduce Greenhouse Gases; Consideration of California Low Carbon Fuel Standard and Highway Electrification

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Washington Gov. Gregoire issued her executive order, entitled “Washington’s Leadership on Climate Change,” after testifying at the US Environmental Protection Agency’s public hearing in Seattle on the regulation of greenhouse gases under the Clean Air Act.

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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

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Vermont and Washington, DC are not included in this rule because they do not have fossil fuel-fired power plants. The value allocated here in EPA’s goal-setting formula was an average heat rate improvement of 6% for coal steam electric generating units (EGUs). It includes a wide range of anticipated climate impacts—e.g.,

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

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Although most countries have already revealed their opening emissions reduction proposals, UNFCCC Executive Secretary Yvo de Boer pointed out Thursday that “ we still await clarity from industrialized nations on the provision of large-scale finance to developing countries for immediate and long-term climate action. by Jack Rosebro.

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The Complex Calculus of Clean Energy and Zero Emissions

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Thousands of Washington insiders and climate activists have had a hand in these legislative breakthroughs. presidential election, it seemed that we were entering one of those rare windows where you might see substantial policy action on climate and clean energy. C in this century. clean-tech legislation.

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Upper atmosphere facilitates changes that let mercury enter food chain

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Daniel Jaffe, a science and technology professor at University of Washington Bothell, is coauthor of the paper. Some areas, such as the Southwest United States, appear to have specific climate conditions that allow them to receive more oxidized mercury from the upper atmosphere than other areas, Lyman noted. Lyman & Daniel A.

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