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 […]
“Disruption” is a word that rarely produces smiles. It can mean icy traffic jams and picnic-delaying rain storms, but also life-threatening droughts and epidemics. These are […]