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US Climate Action Report to UN Projects 4% Growth in Total US GHG Emissions to 2020

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From 2005 through 2020, total US greenhouse gas (GHG) emissions are projected to rise by 4% under a “with measures” scenario (but without a cap-and-trade program and other complementary policies), from 7,109 Tg CO 2 Eq. The US, Mexico, and Canada also submitted a formal proposal to tackle HFCs under the Montreal Protocol. 6 Tg CO 2 Eq.

Climate 199
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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. An important analytical issue that needs to be addressed, the report notes, is the lack of lifecycle assessment studies focusing on a wider set of environmental impact indicators than greenhouse gas emissions.

Ozone 186
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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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Low-input cultivation of perennial plants, e.g. from short-rotation forestry and grasslands, may be an effective source of cellulosic biomass and provide environmental benefits (reduced pollution and lower greenhouse gas emissions). 2007) may not be robust. ” 2007) may not be robust. ” Ravindranath et al.