Coastal Care

Our mission is to raise awareness of and mobilize people against the ongoing decimation of coastlines and oceans around the world.

Tag: Dams

When Dams Come Down, Salmon and Sand Can Prosper

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.

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4 Hidden Causes of Dam Failures

4 Hidden Causes of Dam Failures

South Carolina is the latest place to suffer from a wave of dam catastrophes.

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Western Sydney Residents Warned to Prepare for Minor Flooding

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.

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Undamming Rivers: A Chance  For New Clean Energy Source

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…

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Predicting the Shape of River Deltas

Predicting the Shape of River Deltas

New method may help engineers determine coastal impact of dams and levees.

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Vietnam UNESCO Heritage Threatened by Erosion as Dams Stop Sedimentation

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,

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Peru Planning to Dam Amazon’s Main Source and Displace 1000s

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.

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1000 Dams Down and Counting: Dam Removal Study Reveals River Resiliency

1000 Dams Down and Counting: Dam Removal Study Reveals River Resiliency

More than 1,000 dams have been removed across the United States because of safety concerns, sediment buildup, inefficiency or having otherwise outlived usefulness. A paper published in Science Magazine finds that rivers are resilient and respond relatively quickly after a dam is removed.

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Ethiopian Dam Deal Ignores Science, Warn Experts

Ethiopian Dam Deal Ignores Science, Warn Experts

Although the Grand Ethiopian Renaissance Dam (GERD) is Africa’s biggest dam project foreseen to have lasting impacts on its longest river, the River Nile , the GERD has been developed under a veil of secrecy. The dam will impact Ethiopians and downstream neighbors. Water scientists from Egypt — the last country to benefit from the Nile before it flows into the Mediterranean Sea —fear for the security of freshwater supply.

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