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Greenpeace has campaigned against environmental degradation, for more than 40 years. This month it\u2019s mobilising its activists to make a stand on saving the planet at the UN climate change conference in Doha. Four decades on and with global warming slipping down the agenda \u2013 is anyone listening to what Greenpeace have to say? Hardtalk talks to South African Kumi Naidoo \u2013 executive director of Greenpeace International. Doesn\u2019t his organisation need a new bold vision to make an impact \u2013 and if so \u2013 what is it?\n(Image: Kumi Naidoo, Credit: AFP/Getty Images)