Cost, technical performance and environmental impact -- these are the three most ... I'd say that this is the next generation of LED technology," says Feng Gao, professor of optoelectronics ...

The hot oil then boils water for electricity generation. Another technique uses moveable mirrors to focus the sun's rays on a collector tower, where a receiver sits. Molten salt flowing through ...

TIME and Statista have named 250 companies reducing environmental ... reduce the environmental impact of everything from food to heavy industry, and develop renewable power from solar to fusion.