People take part in the Global Climate March ahead of the United Nations climate conference (COP21) in Sao Paulo, Brazil, on Nov. 29, 2015. (Photo: Xinhua/Rahel Patrasso)
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People take part in the Global Climate March ahead of the United Nations climate conference (COP21) in Sao Paulo, Brazil, on Nov. 29, 2015. (Photo: Xinhua/Rahel Patrasso)