Just because warming and cooling have been going on for millennia does not mean our present pollution is not affecting things. Natural warming and cooling would happen at a set rate, whatever that is, we just don't know. What we are doing could well accelerate things with catastrophic effect.Originally Posted by manker
We also don't know what causes the hole in the ozone layer and what effect that would have, we know fluorocarbons destroy ozone, and we know we have been releasing billions of tons of it. What we do know is that skin cancers have increased in countries lying beneath the hole.
One thing we cannot do is fail to take pollution seriously.
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