The “bionic leaf” is a small man-made solar collector that takes sunlight and water and turns it into any of a variety of usable fuels or fertilizers.
Is so-called cleantech (alternative energy and related sectors) still the next big thing for American venture capitalists?
Dear EarthTalk: I thought that putting ethanol in our gas tanks was going help fight climate change, but lately I’ve heard reports to the contrary. Can you enlighten? — Bill B., Hershey, PA Ethanol and similar “biofuels” made from corn and other crops seem like a good idea given their potential for reducing our carbon outputs […]