How many elephants can you see? How many orang-utans are in that tree? New conservation projects are hoping the answers to these questions can help protect endangered species around the world
Trivia fans take note, Mount Hope in the British Antarctic Territory has recently been re-measured and found to out-reach the previous highest peak by a comfortable 50 metres
A series of worrying reports by the Global Carbon Project has revealed that after three years of flat growth, global fossil fuel emissions are once again on the rise
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