The UK should take active steps to prepare for dangerous climate change of perhaps 4C according to one of the government's chief scientific advisers. In policy areas such as flood protection, agriculture and coastal erosion Professor Bob Watson said the country should plan for the effects of a 4C global average rise on pre-industrial levels. The EU is committed to limiting emissions globally so that temperatures do not rise more than 2C.
I don't disagree with the need to make preparations. But if the temperature rises by 4C, we're in deep doo-doo. The positive feedback loops will kick in, with methane released from the tundra, serious polar melting, etc, thus accelerating the rise in temperatures even further. Nothing would be able to stop it.
Thus a DEFRA civil servant forecasts the end of the world.
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