Wild in Walthamstow: Europe’s biggest urban wetlands opens

Few locals know about Walthamstow Wetlands in north London, which opens on Friday. But now they, and nature lovers everywhere, can enjoy this amazing bird reserve for free

The Pantanal is national heritage: protecting the world’s largest wetlands

Spanning Brazil, Paraguay and BoliviaSpanning Brazil, Paraguay and Bolivia and home to 4,700 species, the Pantanal wetlands are under threat from deforestation and agriculture. But local people are taking on the challenge to protect this unique region