N chief
Kofi Annan demanded that world leaders give climate change the same priority as they did to wars and to curbing the spread of weapons of mass destruction.
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Annan made the appeal as he launched a three-day gathering of environment chiefs, tasked with stepping up action against global warming.
In his valedictory speech to the annual meeting, the UN secretary-general painted a sombre tableau about the effects of climate change, especially on impoverished countries that were least to blame for it.