Source:
The Globe and MailJEFF MASON AND ALISTER DOYLE
Reuters
June 7, 2007 at 1:33 PM EDT
HEILIGENDAMM, Germany — World leaders revived hopes for a long-term United Nations deal to fight climate change on Thursday but experts branded their targets for cutting emissions as toothless.
A G8 summit in Germany agreed to seek "substantial" but undefined cuts in emissions as a step towards slowing global warming after the United States blocked European hopes of agreeing a target of 50 percent cuts from 1990 levels by 2050.
"Without a time frame, the cuts don't mean anything," said Bert Metz, a Dutch climate expert who chaired a U.N. report this year about the likely costs of adapting to climate change.
He said that world emissions of greenhouse gases, mainly from burning fossil fuels, had to peak in the next 10-25 years to avoid the worst effects of climate change which experts say will bring more floods, droughts and rising seas.
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