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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. In the political arena, the 1.5

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Climate Talks End In Copenhagen Accord; Countries Settle On Non- Binding 2 ºC Warming Limit

Green Car Congress

Developed countries would reach agreement with emerging economies such as Brazil, China, and India as to whether or not emerging economies should set emissions reduction targets. afforestation, avoided deforestation, carbon capture and storage, energy efficiency measures, renewable energy generation) would be established.

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