Boyan Slat's teenage dream was to remove from our oceans a vast mountain of discarded fishing nets, water bottles and other plastic garbage.
A new method for turning water into hydrogen could make the process much more efficient.
A typical European municipality uses up to 40% of its electricity consumption on water treatment. This wastewater plant in Aarhus produces 90% more energy than it uses.
Life is not possible without water. But the globe faces some huge water challenges.
A new study has looked at the impact of dehydration on memory and attention.
The era of cheap, unregulated water is coming to an end in China. It is now up to business to decide how to overcome this challenge.
Improvements have been made in the past decade, but huge numbers of Africans still live without this basic necessity.
About 3 million children and 14 million women collect water in sub-Saharan Africa, increasing their risk of sexual abuse, disease and dropping out of school.
Kate Brauman looks at how much of our water we’re using on a global basis, and finds it's less straightforward than it sounds.
Technology could deliver sustainable water solutions for all – from megacities to remote rural communities, to the rapidly developing parts of the world.
Antarctic ice can reveal the extent of rainfall varability which leads to drought or floods in Australia.
Laura Tuck, World Bank Group Vice President for Sustainable Development, looks at the risk posed by water scarcity.
Climate-driven water scarcity could have a negative impact on economic growth in some regions.
While China encompasses almost 20% of the world’s population, the country contains only 7% of the world’s fresh water.
For the first time in history, the combination of satellite technology and super-computing is giving us a global perspective to understand how humanity is affecting the environment.