Why we should all listen to David Attenborough
The respected naturalist turns 97 this May 8
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World-renowned naturalist Sir David Attenborough issued a stark warning at the UN Climate Change Conference when he said that "we are facing a man-made disaster of global scale. Our greatest threat in thousands of years. Climate change!"
This is not the first time the veteran broadcaster has spoken up for the planet. Browse this gallery for more about the esteemed natural historian and his words of wisdom and criticism.
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