In a world of climate change and headline-grabbing cyclones, El Niño is one of the most unspoken climate risks in East Asia and the Pacific.

William R. Sutton, Xinyu Weng |

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 |