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An initiative of the Center for Biological Diversity

An initiative of the Center for Biological Diversity

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Oceans & Clean Water

Aerial view of dam wall.
Oceans & Clean Water

The World’s Dams Are Filling Up — But Not With Water

Accumulating sediment in reservoirs is affecting how much water dams can hold back to supply water for drinking, irrigation and flood control.
March 15, 2023
by
Tara Lohan
Accumulating sediment in reservoirs is affecting how much water dams can hold back to supply water for drinking, irrigation and flood control.
Oceans & Clean Water

Restoring the Ciénaga Grande de Santa Marta: Reversing a Century of Colombian Tragedy

Can science and tradition finally help heal the region’s peoples and bring balance to its biodiversity-rich waters and mangrove forests?
February 16, 2023
by
Daniel Henryk Rasolt
Can science and tradition finally help heal the region’s peoples and bring balance to its biodiversity-rich waters and mangrove forests?
Two researchers hold net in water, one carried bucket along the river.
Oceans & Clean Water

Klamath Countdown: Researchers Hustle Before Largest Dam-Removal Project Begins 

To anticipate the impacts of a historic river restoration, we need to understand how salmon, bats, insects, algae and other parts of the ecosystem are behaving today.
February 13, 2023
by
Tara Lohan
To anticipate the impacts of a historic river restoration, we need to understand how salmon, bats, insects, algae and other parts of the ecosystem are behaving today.
Water rushes between two shores.
Oceans & Clean Water

One River Dies, Another Is Born

In north Brazil, the combined effects of a hydroelectric dam and earth-shifting livestock have altered the landscape — and upended peoples’ lives.
January 17, 2023
by
Daniel Grossman
In north Brazil, the combined effects of a hydroelectric dam and earth-shifting livestock have altered the landscape — and upended peoples’ lives.
Dam across river
Oceans & Clean Water

Europe’s Surprising Record of Dam Removals

A growing movement across the continent is working to remove thousands of barriers and restore some of the world’s most fragmented rivers.
November 30, 2022
by
Tara Lohan
A growing movement across the continent is working to remove thousands of barriers and restore some of the world’s most fragmented rivers.
Oceans & Clean Water

Why Scientists Are Rallying to Save Ponds

Humble ponds have a key role to play in fighting climate change and aiding conservation — but only if we protect them.
November 7, 2022
by
Jack McGovan
Humble ponds have a key role to play in fighting climate change and aiding conservation — but only if we protect them.
Humpback whale breach
Oceans & Clean Water

Should the Ocean Have Legal Rights?

Human activities have put the ocean in serious trouble. A bold, Rights of Nature-based proposal aims to turn the tide.
October 3, 2022
by
Tracy Keeling
Human activities have put the ocean in serious trouble. A bold, Rights of Nature-based proposal aims to turn the tide.
dam on river
Oceans & Clean Water

5 Big Threats to Rivers

Human activities have imperiled our waterways — along with almost one-third of freshwater fish and many other aquatic species.
September 23, 2022
by
Tara Lohan
Human activities have imperiled our waterways — along with almost one-third of freshwater fish and many other aquatic species.
Photo showing dam, spillway and reservoir
Oceans & Clean Water

Dam Accounting: Taking Stock of Methane Emissions From Reservoirs

Mounting studies highlight greenhouse gas emissions from reservoirs, and now a coalition of environmental groups has called for regulatory action.
April 25, 2022
by
Tara Lohan
Mounting studies highlight greenhouse gas emissions from reservoirs, and now a coalition of environmental groups has called for regulatory action.
dam and reservoir
Oceans & Clean Water

California’s Reliance on Dams Puts Fish in Hot Water

Water releases from dams aren’t that good at mimicking natural conditions, a new study finds.
September 22, 2021
by
Tara Lohan
Water releases from dams aren’t that good at mimicking natural conditions, a new study finds.

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An initiative of the Center for Biological Diversity