Largest US dam removal stirs debate over coveted West water

The second-largest river in California has sustained Native American tribes with plentiful salmon for millennia, provided upstream farmers with irrigation water for generations and served as a haven for retirees who built dream homes along its banks.

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Freshwater species are disappearing fast — this year is critical for saving them

Scientists and policymakers have developed a time-sensitive plan to help save ailing freshwater ecosystems and imperiled species. 

Boom: Removing 81 dams is transforming this California watershed

The innovative project could aid endangered native species — and provide a useful roadmap for other dam-removal efforts.

$245M cleanup of Kalamazoo River Superfund site: ‘It’s a huge deal’

Polychlorinated biphenyl (PCBs) leftover from processes at paper mills operating on the river beginning in the 1950s is the primary concern targeted in the cleanup.


On the Northwest’s Snake River, the case for dam removal grows

As renewable energy becomes cheaper than hydropower and the presence of dams worsens the plight of salmon, pressure is mounting in the Pacific Northwest to take down four key dams on the lower Snake River that critics say have outlived their usefulness.

Rafting the Klamath River ahead of the biggest dam removal in history

The Klamath is both an important source of irrigation water and critical spawning ground for steelhead, lamprey and five species of Pacific salmon.


Kennebec Dam removal signaled new era for rivers

Once considered only for their industrial uses, the waterways are now seen as community assets for other reasons.

How removing one Maine dam 20 years ago changed everything

The removal of the Edwards Dam on Maine’s Kennebec River helped river conservationists reimagine what’s possible.

Can Paulette Jordan rise above Idaho's partisan rules?

If she wins, the 38-year-old Democrat would become the country's first Native American governor. Can a moderate still win in Trump's America? Idaho is about to find out.


Old age, neglect and a changing climate are rendering US dams dangerous

Annapolis, Md.—DJ Buckley spent most of his afternoon on Aug. 3 picking up branches and debris out of the Annapolis Harbor.

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Credit: Chesapeake Bay Program

Peter Dykstra: Good news and hope on an otherwise gloomy beat

We try our best to present the honest news on environment, health and climate on these pages every day.

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Low-head dams on Fox River concern safety advocates and environmentalists

The Illinois Department of Natural Resources is investigating the removal of the Carpentersville Dam and has fielded inquiries about eliminating other Fox River dams in North Aurora and Montgomery for safety and environmental reasons.

Researchers trap Grand River lamprey with sex pheromones

It's the first sea lamprey population study on the Grand River in nearly 40 years.
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