One of the biggest gatherings of world leaders to discuss climate change ended on a sobering note when Nelson Mandela’s widow said lofty pledges they had made failed to match the scale of the problem.
“I acknowledge that there is the beginning of understanding of the gravity of the challenge we face,” Gra?a Machel told the UN general assembly at the end of a one-day climate summit on Tuesday organised by UN secretary-general Ban Ki-moon.
“But at the same time, I have the impression that there is a huge mismatch between the magnitude of the challenge and the response which we heard here today.”
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