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9 times the U.S. Army Corps of Engineers miscalculated badly at the expense of taxpayers, wildlife
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9 times the U.S. Army Corps of Engineers miscalculated badly at the expense of taxpayers, wildlife

The agency has a history of diving into big construction projects that exceed projected costs, fall short on projected benefits and, in some cases, create new problems that engineers hadn’t bargained for.
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The oceans are missing their rivers

For billions of years, rivers connected continents to the sea. Then we came along.
Pump it up? The economics of stored-hydro energy may not be as green as the pitch

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

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

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

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?

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.

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