US researchers have developed solar-powered nanotech mats that can float on water and break down dangerous pollutants using sunlight.

The material of the tank is what makes the best water purifiers different from average models. With tanks made from copper, ...

LIMA, March 25 (Reuters) - Buenaventura, one of Peru's largest mining firms, signed a water concession with the government on Tuesday in a bid to unlock the development of a major copper project at a ...