Many innovative designs have experimented with producing clean water from contaminated or salt water. A new approach takes inspiration from mangrove trees.
Passive water harvesting technologies offer clear advantages in terms of power use, but are often limited in output. A new design aims to push them to their limits.
Over the last three decades, climate change, with decreasing snowfall and rising temperatures, is causing Himalayan glaciers to recede, putting entire livelihoods under threat. Sonam Wangchuk, an engineer from the arid Himalayan region of Ladakh, may just have the answer: artificial mini-glaciers in the shape of Tibetan temples.