The battle lines on environmental issues are well worn.
I think it would be fair to say that the world is a richer place the greater the bio-diversity that we can sustain. Man has seriously impacted on that bio-diversity in the last 500 years. Who knows what life saving plants may have already being eradicated in the amazonian rain forest.
With regards greenhouse gases we can only approximate the models at the moment but it is clear that the world is getting warmer. This may not be primarily our doing - but then again it may be.
The world's natural cycle covers a broad span of hot and cold and we have thrived in one of its intermediate phases. Geologically these tend to be short (although I think I am ok with regards my mortgage). What is most probable is that natural cycles will kick in as we contribute to accelerated warming and we will all end up wearing snow shoes and talking like Canadians or at least those of subsequent generations will (so be warned US ).
If the worst predictions are correct then we will also have to re-think our attitudes to immigration as there will, through necessity, be rather a lot of it going on and we may get a first hand experience of the boot being on the other foot (to mix metaphors) - or is that another thread?
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