In August 1961 Dag Hammarskjöld opened a United Nations’ renewable-energy conference in Rome by saying that solar power was the biggest hope for poverty alleviation in […]
During the past decade the technology that creates electricity from photo-voltaic cells has become so sophisticated and so inexpensive that it’s a wonder that most of […]
The road from traditional, poisonous indoor fuels to solar lights in the developing world is turning into a highway. The staid, business-oriented Economist just did a […]