Biodiversity: hopes and fears for the next 10 years

Some of the world's leading voices on the environment discuss concerns and areas of optimism

At the end of a tumultuous decade for biodiversity, in which a report based on the most comprehensive study of life on Earth warned that "nature is declining globally at rates unprecedented in human history", we spoke to some of the world's leading voices on the environment about their greatest fears for the next decade - and also their hopes. As the IPBES report's authors noted: "It is not too late to make a difference, but only if we start now at every level from local to global."

We asked three questions: