Eco Factor: Solar-powered system extracts water from humid air. Access to clean drinking water is not as common as people living in urban areas think it to be. With billions of people thirsty for water, inventors had to design systems that...

Eco Factor: Water-saving system extracts water from humid air. Rainwater harvesting has been around for centuries and we recently told you about some fantastic devices that help you harvest rainwater with a minimum of effort. However,...