dam construction
9 times the U.S. Army Corps of Engineers miscalculated badly at the expense of taxpayers, wildlife
The oceans are missing their rivers
Pump it up? The economics of stored-hydro energy may not be as green as the pitch
As electricity markets evolve, a noted economist says several proposed renewable-energy projects could cost more than they’ll ever make.
Podcast: Cascading effects of pollution in Lebanon's Litani River
The Beqaa Valley river's decline has far-reaching impacts — and is fueling a blame game in the region.
Despite warnings, a destructive African dam project moves ahead
A massive hydroelectric dam under construction in Tanzania threatens to flood part of a famed game reserve and deprive villages and mangrove forests of water, experts warn. But fear of the country’s authoritarian government has silenced critics.
Inside the plan to save some of the biggest freshwater fish
A five-foot-long Mekong giant catfish was among the critically endangered fishes to be released into the Tonle Sap, Southeast Asia’s largest lake.
Will dams spoil one of Europe’s last wild rivers?
Albania's Vjosa River also faces other development threats, including an airport. Designating the river a national park could save it.