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<blockquote data-quote="Rob" data-source="post: 363347" data-attributes="member: 176677"><p>Saw this last night on UKTV Documentary channel it was a "Horizon" programme by the BBC in which they claimed that the Earth was completely frozen over 600 million years ago.</p><p></p><p>It seems that 600 million years ago that the whole of the planet was covered in ice for 10 million years, and the planet was saved from staying that way because of volcano's.</p><p></p><p>It was only when the eruptions sent the C02 levels to 10 per cent (note Polo mint) and temperatures to 40c was it warm enough to melt all the ice.</p><p>I'm not saying if all this is true or not, I'm not that clever but it was backed up with a lot of "facts", and some scientists not newspaper people.</p><p></p><p>Also one question, it is claimed that the prescent C02 level is under 1 per cent, can someone tell me the correct level, for example is it 0.01 per cent.</p><p></p><p>Thanks</p><p>Rob</p></blockquote><p></p>
[QUOTE="Rob, post: 363347, member: 176677"] Saw this last night on UKTV Documentary channel it was a "Horizon" programme by the BBC in which they claimed that the Earth was completely frozen over 600 million years ago. It seems that 600 million years ago that the whole of the planet was covered in ice for 10 million years, and the planet was saved from staying that way because of volcano's. It was only when the eruptions sent the C02 levels to 10 per cent (note Polo mint) and temperatures to 40c was it warm enough to melt all the ice. I'm not saying if all this is true or not, I'm not that clever but it was backed up with a lot of "facts", and some scientists not newspaper people. Also one question, it is claimed that the prescent C02 level is under 1 per cent, can someone tell me the correct level, for example is it 0.01 per cent. Thanks Rob [/QUOTE]
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