"Hasn't been proven"...what has to happen for it to be conclusive? Wait till it's too late...
I guess: they once said the earth was flat and anyone who said otherwise was scorned. Then cigarettes were good for you. Now climate change has nothing to do with us... I guess all the animals being extinct is natural too? I mean that has been happening for years too.
It's all about making money mate, don't be so naive to think otherwise.
