Beyond Montreal: a year on has the world lived up to the promises made at nature summit?

As Colombia announces it will host the next biodiversity meeting, there is cautious optimism about the progress made since Cop15

Governments risk another decade of failure on nature loss if they do not implement a landmark agreement in full, the UN's acting biodiversity chief has warned, 12 months after the deal was struck.

As anticipation begins for the next summit - which was confirmed last week to be hosted by Colombia - the legacy and implementation of the last, historic agreement remains uncertain.