article thumbnail

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

Green Car Congress

IPCC reference emissions scenarios, 2000—2100. A BBC article [ 9 ] upped the stakes on Thursday the 9 th with an article on carbon emissions that characterized “the lower target of 1.5 BBC: 15 December 2009. [ BBC, 10 December 2009. [ by Jack Rosebro. Global 2ºC maximal warming limit as compared to past and. Source: WGBU.

article thumbnail

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

Green Car Congress

Jacobson first showed in 2000 that black carbon was the second-leading cause of global warming after carbon dioxide in terms of radiative forcing and, in 2002, that its control would be the most effective method of slowing warming. ºC in 2050, as compared to 2000 temperatures. ºC in 2020, and 2.3 Reuters , 14/15 November 2009. [

Climate 236