(ANSA) - PARIS, NOVEMBER 04 - Rich countries must sign a "historic pact" with the poor on the climate, otherwise "we will be condemned", warned the UN Secretary General, António Guterres, as world leaders begin to gather for the summit on the climate COP27 of the United Nations, which opens on Sunday in Sharm el-Sheikh, Egypt, but which even the hosts admit will be the most difficult in at least a decade.
Guterres told the Guardian on the eve of the summit.
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