Jeff Opperman

Jeff Opperman is The Nature Conservancy's senior advisor for sustainable hydropower. He works to promote ecologically sustainable water management in river basins with hydropower infrastructure. Through this work, Jeff has provided strategic and scientific assistance to environmental flow assessments for several rivers in the United States and for the Yangtze River and the Patuca River (Honduras).


Jeff's Posts

Shoot Out the Lights: Science, Hydropower & Reality on the Mekong

The standard story: big dams disrupt the livelihoods of rural villages. But many communities welcome development; Can conservation minimize hydropower impacts?

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Sustainable Hydropower: Are Small Dams Really Better for the Environment?

When it comes to dams, small is often considered beautiful. But should small hydropower projects get a free pass? Can such dams actually be tiny but terrible? Freshwater scientist Jeff Opperman takes a look at the realities of sustainable hydropower.

Posted In: Freshwater
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Beyond the Power Struggle: The Science and Values of Sustainable Hydropower

Fighting dams is in the environmental movement’s DNA. But is it time to change? Freshwater scientist Jeff Opperman argues that science-based collaboration offers a better future for rivers and fish — and the people who depend on them.

Posted In: Freshwater
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Penobscot River Dam Removal: Lessons for a World Demanding Energy

Dam removal on Maine’s Penobscot River means a brighter future for Atlantic salmon and other migratory fish. But an even greater value of the Penobscot may in fact lie in its meaning for countries that are just now beginning to plan and build dams.

Posted In: Energy, Fish, Science, Water
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Book Week: John Graves’ ‘Goodbye to a River’

Next up for book week: Senior freshwater scientist Jeff Opperman reviews John Graves’ canoeing classic, Goodbye to a River.

Posted In: Book Review, Water
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Mekong Journey: Fish Water from Mother Water

Jeff Opperman, a freshwater scientist for The Nature Conservancy, is blogging at the New York Times on his journey to the Mekong River. This post features the food his family experienced along the way–and it’s almost all tied to the “mother water,” as area residents call the river.

Posted In: Science
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Salmon Cam Returns

We’re pleased to return Salmon Cam, a live view of spawning Chinook and coho salmon and steelhead trout.

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