Access to clean drinking water is a human right, but as the global population grows and the planet heats up, can we rely on this resource we take for granted?
Scientists believe they have solved one of the biggest mysteries about desalination — exactly how reverse osmosis membranes remove salt and other chemicals from water — a breakthrough that could help make the process more efficient and cheaper.
The UN-backed study also shows that land degradation is causing significant losses in biodiversity and ecosystem services, such as water purification, food security and energy provision.