Via BBC, a look at how a warming world could threaten the future of hydropower:
Hydroelectricity is the world’s biggest source of renewable energy, and dams have long been a popular – if controversial – way to fast-track development and boost economies.
Jordan Dunbar is in Thailand, a country that has been transformed by hydropower. He meets Thais who’ve been helped by dams, and those they’ve hurt. And he finds out how a warming world could put the future of hydropower in jeopardy.