This video focuses on the most existential threat posed by climate change - the damage it is doing to the biosphere, causing a new mass extinction. Humans are causing the sixth mass extinction in ...

The current period of extinction is known as the Holocene extinction event, sometimes referred to as the sixth extinction, as there have been five distinctive periods of mass extinction previously.

Richard Vigne, the managing director of Ol Pejeta, said efforts to revive the dying species were crucial to highlighting the "current crisis of extinction that we ... The northern white rhino is ...

The world is undergoing its sixth mass extinction and a number of species ... The Javan and Sumatran species of rhino are the most endangered, with under 100 left of each, according to the ...