A new solar oven being introduced in Madagascar helps prevent deforestation while storing energy from the sun.
Research leads to the range of alternatives to petroleum in your tank.
Mobile phone company Mascom has created a solar-powered network in this desert country of two million, and now plans to use it to deliver broadband internet service as well.
Hoping to reduce reliance on imported energy, Namibia is encouraging homeowners and businesses to use renewable energy, and to feed any excess into the grid.
Sekem Holdings has transformed barren land into lush organic farms.