EMISSIONS spewed out by power stations and factories in North America and Europe may have sparked the severe droughts that have afflicted the Sahel region of Africa. The droughts have been among the worst the world has ever seen, and led to the infamous famines that crippled countries such as Ethiopia in the 1980s.
Climate experts have long worried that greenhouse gases are altering the climate on a global scale. But this is the first time they have suggested that industry and power-generation in the north may have disrupted regional weather in poor nations in tropical Africa, affecting a swath…
