Nightmare vision of a world 200 years on

ONE of Britain’s leading environmentalists will today sound a doomsday warning to the world: humanity’s very existence is under threat from climate change and, even if we survive, the population will crash to about a third of its current level.

Sir Crispin Tickell, the man who convinced former prime minister Margaret Thatcher that global warming was a real problem, predicts that, in 200 years, there could be as few as 2.3 billion people because rising sea levels and temperatures will make some areas uninhabitable and, coupled with social factors, depress birth rates.

“The resulting transformation of the environment is unsustainable. The main factors are human population increase, degradation of land, consumption of resources, water pollution and supply, climate change, destruction of other species …

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