UN Secretary General Ban Ki-moon (left), French President Francois Hollande and Peruvian President Ollanta Humala attend a press conference on Sunday on the sidelines of their climate change meeting in New York. Photo: EPA

World leaders, including Xi Jinping, Obama and the Pope, signal change is in the air on attitudes to global warming

Recent announcements by China, India, the US and the pope reveal a growing global will to address the problem, raising hope for a landmark treaty

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UN Secretary General Ban Ki-moon (left), French President Francois Hollande and Peruvian President Ollanta Humala attend a press conference on Sunday on the sidelines of their climate change meeting in New York. Photo: EPA
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