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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

Green Car Congress

Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1 Source: Bond et al.

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

Green Car Congress

The 15 th Congress, also known as the 15 th Conference of Parties, or COP 15, was initially intended to be a largely procedural summit, with many major negotiating points settled and most environmental ministers prepared to sign a binding emissions treaty that contained specific emissions targets as well as commitments to financing structures.

Climate 236
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Devil In The Details: Is Copenhagens 2 ºC Guardrail Obsolete?

Green Car Congress

A maximum concentration of 450 ppm carbon dioxide (~550 ppm CO 2 equivalent) in the Earth’s atmosphere is commonly cited as the limit at which average temperatures can be held at 2 ºC, and many emissions reduction proposals are based upon these two “upper bounds” targets. ºF) above pre-industrial temperatures. The >2 Degree Target.

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Ethanol Groups File Suit Challenging Constitutionality of California Low Carbon Fuel Standard

Green Car Congress

Two ethanol trade groups—the Renewable Fuels Association (RFA) and Growth Energy—have filed a complaint in Federal District Court in Fresno, California, challenging the constitutionality of the California Low Carbon Fuel Standard (LCFS). Further, wrote Dinneen, several commenters referenced the article by Liska et al. Earlier post.).

Carbon 225
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Has the cash for clunkers scheme failed? The Green Piece

Green Cars News

With payments of up to $4,500 for motorists willing to swap their ageing gas guzzling vehicles for more fuel efficient ones, it seemed like a ‘can’t lose’ scheme with consumers getting cheaper cars, the automotive industry enjoying more sales and the environment boosted by a reduction in harmful emissions. So is this scheme green at all?

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Profile: Farmers Ethanol: Focusing on Sustainable Corn Ethanol Production and a Triple Bottom Line

Green Car Congress

Their systems approach leads to synergies that have the potential to dramatically reduce corn ethanol’s carbon footprint. In an article “Falling thirst for Fuel Leaves Ethanol Enthusiasts with a Hangover” published on 4 May 2009, The Wall Street Journal summarized three of the challenges traditional corn ethanol faces today.

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Electric Cars and a Smarter Grid - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

Home Page Todays Paper Video Most Popular Times Topics Search All NYTimes.com Energy & Environment World U.S. The idea of self-sufficient cities is gaining currency in the European Union, which has set itself the ambitious task of cutting carbon dioxide (CO{-2}) emissions to one-fifth below 1990 levels by 2020 ? Well and good.

Grid 47