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"CO2 levels are likely to be lower by the end of the century"

This is not well supported by any evidence that I'm aware of.

These are scientific papers, they couch things in conservative wording. The fact that these papers exist ought to alarm you, and CO2 levels.

Atmosphere CO2 concentration is accelerating, and enter areas of uncontrolled feedback loops

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There is a large scale switch to non-fossil fuel energy sources. We are probably close to peak oil anyway so there is no choice with oil. A lot of countries have abandoned coal, and while some continue to build coal power there is no reason to think the current trend will continue as alternatives get better.

I am not aware of any evidence that current trends will continue for another 74 years.. Ten years, certainly, but not for three quarters of a century.

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