What is Cop15 and why does it matter for all life on Earth?

Once-in-a-decade plans to protect the natural world and halt its destruction will be decided in Canada in December

• It is 100 days until Cop15 - and the omens are good for a global plan to protect nature | John Vidal

With Cop15 in Montreal rapidly approaching, governments are gearing up to create targets on biodiversity for the next decade. The world has so far failed to meet any UN targets on halting the loss of nature, yet awareness of the challenge is greater than ever. Here we examine why this UN meeting matters and how it could herald meaningful action on nature loss.