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

Green Car Congress

However, the slow pace of negotiations spurred UNFCCC delegates to publish a “roadmap to Copenhagen” in December 2007 at the 13 th Congress in Bali, in an effort to accelerate the progress of those negotiations. ” —British Energy Secretary Ed Miliband, summing up the historical significance of COP 15.

Climate 236
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NYC Goes EV

Revenge of the Electric Car

From the article: ‘The New York study anticipates that by 2015, electric vehicle prices should decline because of reduced battery costs, that there will be a sufficient supply of electric vehicles to purchase, and that consumers will take advantage of the existing federal tax credit of $7,500 for new electric cars. by Lars Vercelli.

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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.

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Will the scrappage extension do any good? The Green Piece

Green Cars News

That was the damning verdict of Andrew Davis, director of the Environmental Transport Association (ETA) as he deemed the extension to be “environmentally short-sighted” (see article ). How the environment can benefit. So does he have a point? Missed opportunities. However, that doesn’t mean that more couldn’t be done.