James Hansen: Copenhagen climate talks must collapse
Shanta Barley, reporter
Outspoken US climate scientist James Hansen has announced that climate talks next week in Copenhagen must collapse if the world is to tackle global warming effectively, reports the UK's Guardian newspaper.
A leading climatologist and director of NASA's Goddard Institute for Space Studies, Hansen's testimony to US Congress in 1988 played a critical role in raising public awareness of global warming.
Now Hansen's back in the spotlight. He has raised eyebrows by saying that any agreement that emerges from Copenhagen will be counter-productive if it plumps for a "cap and trade" system to reduce greenhouse gas emissions.
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