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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.

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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. Polymetallic nodules are hard, compact lumps of matter formed through precipitation and interactions of water contained in seafloor sediments (pore waters) and more oxidized seawaters. Their removal kills the attached organisms and reduces the surface area available for future attachments.

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