An orangutan stays close to her offspring at Mount Leuser National Park in Gunung Leuser on Sumatra island. One of the biggest nature reserves in the world, Mount Leuser has an area of over 800,000 hectares of virgin rainforest home to highly endangered wildlife. UN Secretary General Ban Ki-moon warned on December 7 that the world was missing its last chance to control climate change, appealing to nations at talks in Mexico to ramp up progress.
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