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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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DeepGreen lifecycle analysis argues for sourcing EV battery materials from deep-sea polymetallic nodules

Green Car Congress

94% less stored carbon at risk. The researchers examine the relative impacts of the extraction, processing and refining of these key base metals on several impact categories, including: greenhouse gas emissions and carbon sequestration, ecosystem services, non-living resources and habitats, biodiversity, human health and economics.

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