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Many regions in the world very little rain. It is a daily challenge for people to water. Scientists have found a new way that could some of the driest towns and cities in the world. Capturing water from fog could drinking water to millions of people. Researchers in Chile have been how fog harvesting could help to water. Fog harvesting is a simple process. Water from fog is on large mesh screens that are hung between poles. When fog and clouds through the screens, droplets of water stick to the mesh. This water then into pipes below the screens and up in storage tanks. It is a cheap and easy way of collecting water in dry areas.

The researchers from Universidad Mayor, a private university in the capital city Santiago. They have been fog harvesting in the desert town of Alto Hospicio. The town an average of less than 5 mm of rainfall a year. Many people who there get their drinking water by truck. Researcher Dr Virginia Carter Gamberini said fog harvesting could a "new era" to the town. She said her research " a notable shift in the perception of fog water use - from a rural, rather small-scale solution to a practical water resource for cities". She : "Water from the clouds could our cities' resilience to climate change, while access to clean water."