With 7 billion people on the planet it's not hard to understand why nature has a tough time surviving. Sir David Attenborough, naturalist, documentary film maker and champion of the worlds magical creatures and environments has said it, that there are just too many of us. And he's right. The earth just doesn't have unlimited resources to feed and sustain our rapidly expanding population. Unless human population growth is controlled we will destroy the very earth we rely on for our own survival. By 2100 there could be more than 11 billion humans on earth and this is just unsustainable.
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