Water scarcity is one of humanity’s most pressing problems. Now engineers at Caltech have developed a new system that can tap into two different sources to produce fresh drinking water, by purifying ...

A French start-up says its Wind Tree is ideal for urban environments, harnessing the most gentle of winds to produce power through its micro-turbine leaves. Suzannah Butcher reports.

Remember the Micro Compact Home? It’s the tiniest of the small homes we’ve talked about. A fusion of Japanese-inspired design and European manufacturing, the mini-minimalist dwelling manages to meet ...