Page last updated at 14:13 GMT, Wednesday, 19 October 2011 15:13 UK
Climate 'grave' security threat
Climate change poses "an immediate, growing and grave threat" to health and security around the world, according to an expert conference in London.
Listen to Professor Paul Stevens and Lord Lawson discussing the benefits and pitfalls of shale gas on the Today programme. A five-year plan is drafted to research the effects of climate change on historic buildings in Edinburgh's World Heritage site. Scientists have begun to predict the animals that may become extinct in the next century because of climate change. A pioneering British expedition to sample a lake under the Antarctic ice sheet could find new forms of life and clues to climate change. Some of the key views held by climate change sceptics in 2009 and the counter-arguments made by mainstream climate scientists. Recent harsh winters in the the UK and northern Europe could be linked to unexpected variations in the Sun's ultraviolet rays.
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