[+]realneil1 point-1 points0 points
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[–]realneil1 point
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Because it could trigger a runaway greenhouse effect. Systems tend to find a equilibrium and we are not sure where it may settle if we cause a shift. It isn't that 2 degrees is bad it is because it may lead to something like Venus.
[–] realneil 1 point -1 points 0 points (+0|-1) ago (edited ago)
Because it could trigger a runaway greenhouse effect. Systems tend to find a equilibrium and we are not sure where it may settle if we cause a shift. It isn't that 2 degrees is bad it is because it may lead to something like Venus.
As the modelling has shown, we just don't know.