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View Diary: Shocking World Bank Climate Report 'A 4 degree C World Can And Must Be Avoided' (98 comments)

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  •  I believe what he's talking about (2+ / 0-)
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    Lujane, elwior

    is the fact that the energy input to Earth from the Sun is essentially constant over this small period of time.  Given that the increased CO2 in the atmosphere traps heat close to the ground, it follows that less of that energy is radiated back into space as heat, which in turn means that the UPPER levels of the atmosphere will become colder with time.

    I am certainly not an expert in this, and I don't have any links other than the wiki article, but my understanding is that (i) lower stratospheric temperatures will increase stratospheric cloud formation, which in turn increases ozone depletion over the whole globe instead of just the poles; and (ii) increasingly violent storms will begin to inject water vapor into the stratosphere, which is quite effective in degrading ozone as well.  The two processes together have the potential to reduce the ozone layer globally (not just at the poles) to the point that humans and other animals will have significantly increased risk of cancer if they're outside, coral reefs will be bleached even more rapidly than currently, and plants will begin to be adversely affected as well.

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