As winter power shortages shroud Nepal in familiar darkness, Deepak Adhikari unravels the country’s hydro debate.

Global efforts to mitigate climate change are beginning to take aim at a once-obscure pollutant called “black carbon” in a shift that may bring policies to cool the planet to families preparing meals at home and farmers readying plots of land for planting.

Construction of a massive dam on the Yarlung Zangbo marks a turning point for Tibet, write He Haining and Jiang Yannan. A development boom is coming.