It's inspiring hope and change – but what is the IUCN's green list?

When Kawésqar national park was formed in the Chilean part of Patagonia in 2019, just one ranger was responsible for an expanse the size of Belgium. Its fjords, forests and Andean peaks are a precious wilderness - one of the few remaining ecosystems undamaged by human activity, alongside parts of the Amazon, the Sahara and eastern Siberia.

Chilean officials hope that Kawésqar will, one day, meet the high standards for protected areas laid out by the International Union for Conservation of Nature (IUCN) and make it on to the organisation's "green list".

Read more here.