Tom Revell
A Network of Recycled Phones Is Listening for Illegal Logging in the Rainforest
Hey, Neil Young thinks it's a good idea.
The Plan to Sell 250 Million Solar Lamps to Rid African Homes of Kerosene
Across Africa and Asia, millions of households that live without access to electricity are dependent on kerosene-fueled lanterns as a source of light, and the effects can be deadly.