They predict a supercontinent will make Earth close to unliveable.
It sounds far-fetched, but these wild bison have a reputation for being "ecosystem engineers".
From sports, to award shows and murals, there are at least some things to be positive about from the last 12 months.
The bird announced its return to former stomping grounds through a piercing cry.
Many species of bee are on the brink of extinction in the UK, some have been lost entirely. They are increasingly under threat from climate change, habitat loss, pollution and disease. Major conservation efforts are needed to save our hard-working pollinators. We take a look at just why the humble bee is so important…
“We are the first generation to know and the last that can do anything about it."
'We could lose the last jewels in nature's crown.'