In Kenya, a simple solar-powered oven is offering a cheap and healthy alternative to traditional cooking methods ...

but we have had a more conventional solar oven or two. This dish-based solution would probably benefit from a sun tracker.

It was after attending a certain training. I loved the idea, picked it up and brought it home with me, " Carolyn, the pioneer of a solar oven movement in her village, explains. "In the Nyanza ...