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The impact on our environment is definitely a carbon problem -- too many carbon-based life forms on the planet.
If humans are accelerating or effecting climate change, the only thing that will fix it is to remove a couple of billion of them from the ecosystem.
Which is going to be a big embarassment later to someone when this whole thing turns out to be caused by sunspots. But hey, Al Gore made a movie about it, so it must be true, and we should get to work on our Carbon Reclamation Camps soon.