Pollution, overpopulation, overharvesting, habitat destruction, and climate change contribute to the extinction of animal species perhaps as much as 1,000 times more than natural rates.
Polusi, ledakan penduduk, panenan yang dikuras habis - habisan, kerusakan habitat, dan perubahan iklim turut mengakibatkan kepunahan spesies binatang, mungkin 1.000 kali lebih cepat dari kepunahan secara alami.