Achieving certification under the Energy Star program means the Cree could ultimately cost consumers even less than $10.
It’s big enough to grow a substantial amount of food, yet small enough to fit into any city apartment.
It’s a very simple idea – but it could reduce heating bills by 20%. Radfan, a UK-based start-up, has developed the winning design in the inaugural EarthHack.
This smart entrepreneur runs a company that is using solar-powered “water ATMs” to bring clean water to remote villages in India.
In the beginning, the City was skeptical that the price of installing LED streetlights would be worth it.
The substance still allows daylight to penetrate the ceiling panels, providing energy-efficient illumination, but without the normal inefficiency of untreated glass.
The retail giant outlines five initiatives aimed at greening up its supply chain.