12 ways to turn water from waste to resource

As 80% of the world’s wastewater flows untreated into the environment, an expert panel  discusses how to promote water reuse.

Freshwater swimming in Florida’s springs

A world away from Florida’s crowded water and theme parks, the 900 springs that bubble up into the state’s streams and rivers provide stunning oases for swimming – and in winter you’re likely to have them to yourself

Underwater photographer of the year 2017 winners – in pictures

French photographer Gabriel Barathieu has been named this year’s winner for his ‘balletic, malevolent’ dancing octopus, while British winner Nick Blake captured a lone diver among the otherworldly sunbeams of a Mexican cave