How much is human activity driving climate change? The debate goes on. But this should not be an excuse for inaction. If anything, the uncertainty makes it more compelling to act.
If I think that the effects of humans are responsible for only one-third of climate change, then I should be working even harder to minimize those effects, since the other two-thirds are beyond my control.
Can we shelve the “how much” question and concentrate on finding out how best to clean up our mess?
— David Rowe
Anchorage
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