10 things we'll probably never get to see

While our current top ten lists show how there is still much to marvel at, it is worth considering what happens when action is not taken to preserve these natural treasures. For some species and areas it is simply too late.

In most cases, the demise of a place or species can be directly attributable to one of humankind’s many sins against the planet, whether it be hunting, urban development, pollution, deforestation, the introduction of invasive species, global warming or overfishing. This history of destruction is long established with the demise of both the Woolly Mammoth and the Dodo attributed to hunting.

1. Barbary Lion and Cape Lion
2. Bluefin tuna
3. Cambodia Plains
4. Carolina Parakeet
5. Gastric Brooding Frog
6. Golden Toad
7. Larsen B Ice Shelf
8. Over half of the Everglades
9. Thylacine
10. Tigers