Africa is once more plagued by malaria, and an international debate rages over the remedy. Some dream of a vaccine, others urge a return to DDT. In Kenya, scientists have found creative answers hiding in plain sight.
Climate change holds the potential to profoundly affect epidemiologic patterns, and vector biologist Andrew Githeko says malaria is particularly sensitive to this upheaval.
The world's billion and a half poorest people -- the quarter of humanity malnourished to the point of brain damage and deformity -- are mostly rural and live on mostly arid lands. Global warming will increase the stock of such lands, especially in Africa.