Tony Blair has called for a "technological revolution comparable to the internet" to slow global warming.
Speaking in New Zealand, he said it was important to develop machines which produced fewer emissions, while maintaining economic growth.
Mr Blair promised to push for an international framework to supersede the Kyoto Protocol when it expires.
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The BBC's political editor Nick Robinson said Mr Blair's move was "essentially pushing to one side all hopes that America would be chivvied or bullied to signing up to the Kyoto agreement".
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more:
http://news.bbc.co.uk/2/hi/uk_news/politics/4854886.stmIn a related article, UK to miss CO2 emissions target
The UK is unlikely to meet its target of reducing CO2 emissions by 20% by 2010, a government report says.
The Climate Change Programme review projects that new and existing policies will deliver a cut of 15-18% by the end of the decade.
Environment Secretary Margaret Beckett said the government was not giving up on meeting the 20% goal, but said more had to be done to reach it.
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more:
http://news.bbc.co.uk/2/hi/science/nature/4849672.stm