The catastrophe was caused by a disintegrating comet and saw the planet sprayed by thousands of frozen boulders made of ice and dust.
The collisions wiped out huge numbers of animal species all over the world, disrupted the lives of our stone age ancestors and triggered a freeze that lasted more than 1,000 years. Full story:
* More heavy snow falls across the UK... Global Warming Could Cool Down Northern Temperatures in Winter... Balkans Face Cruel Winter - Report... How to survive the coldest winter in years... Coldest winter in 1,000 years on its way...White House solves the problem of global warming overnight... by officially changing the phrase to 'global climate disruption'... Life on this Earth Just Changed: The North Atlantic Current is Gone...FOXNews: 30 Years of Global Cooling Are Coming, Leading Scientist Says...National Geographic (December 24, 2009):North Magnetic Pole Moving East Due to Core Flux... PENTAGON: GLOBAL WARMING might suddenly trigger a massive GLOBAL COOLING...THE PENTAGON WARNS CLIMATE CHANGE WILL BRING GLOBAL CATASTROPHE... Now the PENTAGON TELLS BUSH (Guardian.co.uk., 22 February 2004): climate change will destroy us... BRITAIN WILL BE 'SIBERIAN' in less than 20 years: