In Africa, where two-thirds of farmers are women, the potential of biofuels as a low or lower-carbon alternative fuel, with applications at the household energy, community and village level, to a…

Daniel Kammen |

Charting a course among the long, narrow fishing boats that plied back and forth across the river, the ferryboat pulled in to Chila market. Election posters fluttered in the breeze. A young man…

Robin Mearns |