Rain is one of the purest forms of water in nature, or so we think. In Nigeria, especially during the rainy season, many households collect rainwater in buckets, tanks, or bowls. It’s free, feels ...

At a remote elementary school in the Mekong Delta in Vietnam, until recently, access to safe drinking water was a daily challenge. The school tried to use groundwater, but there wasn’t enough supply; ...

Architects and designers have recycled ancient practice of collecting rainwater to make buildings ecologically friendly ...