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Agreed, very interesting although a bit off-kilter in suggesting we should ask for a tax rebate if it turns out that man-made greenhouse gases were not that big a factor in climate change. As I've said before, the arguments over how much effect greenhouse gases are having is ultimately irrelevant because fossil fuels are going to run out one day. The most sensible looking estimates of when seem to fall into the 150 - 300 years bracket but oil and coal will get scarce before they run out leading to masively higher prices and wars fought over dwindling resources (some would argue this is already happening). Therefore developing and deploying alternative energy sources is both necessary and urgent even if anthropogenic global warming turns out to be completely wrong.

But all good food for thought so thanks for posting Coasty.

Dave P.