Dam projects on world’s largest rivers threaten ecosystems, rural livelihoods
Advocates of huge hydroelectric dam projects on the Amazon, Congo, and Mekong river basins often overestimate economic benefits and underestimate far-reaching effects on biodiversity, according to a new article by scientists representing 30 academic, government, and conservation organizations in eight countries.
Brazil Dam Toxic Mud Reaches Atlantic Ocean Via Rio Doce Estuary
A wave of toxic mud travelling down the Rio Doce river in Brazil from a collapsed dam has reached the Atlantic Ocean, amid concerns it will cause severe pollution.
When Dams Come Down, Salmon and Sand Can Prosper
Studies of dam-removal projects show that migratory species like salmon respond quickly to improved conditions once a dam is removed. But the removal of a dam is demonstrating that there can be another beneficiary: the beach.
4 Hidden Causes of Dam Failures
South Carolina is the latest place to suffer from a wave of dam catastrophes.
Western Sydney Residents Warned to Prepare for Minor Flooding
Western Sydney residents have been warned to prepare for minor flooding after heavy rain as the Warragamba dam spills over. Avon dam, Nepean dam and Tallowa dam are also spilling.
Undamming Rivers: A Chance For New Clean Energy Source
Hydroelectric power is often touted as clean energy, but this claim is true only in the narrow sense of not causing air pollution. In many places, such as the U.S. East Coast, hydroelectric dams have damaged the ecological integrity of nearly every major river…
Predicting the Shape of River Deltas
New method may help engineers determine coastal impact of dams and levees.
Vietnam UNESCO Heritage Threatened by Erosion as Dams Stop Sedimentation
There has been a surge in dam building in the past three years, leading to a significant reduction in sediments being washed down to the estuary in the beach town of Hoi An,
Peru Planning to Dam Amazon’s Main Source and Displace 1000s
Peru is proposing to build more than 20 dams on the main trunk of the currently free-flowing River Maranon, which births in the Andes and is the River Amazon’s main source.