Fog harvesting is a relatively simple process. Mesh panels are hung between poles, and as moisture-laden clouds pass through the mesh, water droplets form and are channelled into pipes and storage tan

Research in Chile could help to provide drinking water for some of the world's most arid places.

With less annual rainfall than 1 mm per year, Chile's Atacama Desert is one of the driest places in the world. The main water source of cities in the region are underground rock layers that contain water-filled pore spaces which last recharged between 17,