EDITOR’S NOTE: THIS PIECE IS AUTHORED BY,  Jan Vandemoortele,  UN Resident and Humanitarian Coordinator to Pakistan from 2005-08, and he was Director of the Poverty Group at UNDP in New York from 2001-05. THIS PIECE IS PART OF A SERIES EXPLORING THE

From Leonardo DiCaprio’s 2016 Oscar acceptance speech on climate change, to Vivienne Westwood’s Climate Revolution Charter, to Will.i.am’s partnership with Coca-Cola to promoting recycling to a younger audience, sustainability has become a global buzzword. But what does it mean? Wu

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