China tears out 300 dams on a Yangtze tributary to bring back endangered fish

Story: 2025 C.E.  |  Last updated: April 20, 2026

Along the Chishui River, one of the Yangtze’s most ecologically significant tributaries, China has demolished more than 300 dams and shut down 342 small hydropower stations in one of the largest river restoration efforts ever attempted. The government that spent decades building water infrastructure is now systematically dismantling it — and fish that had been cut off from their spawning grounds for generations are already finding their way back.

At a glance

• Yangtze River restoration: More than 300 dams and 342 small hydropower stations have been removed from the Chishui River, restoring natural flow to one of the most biodiverse waterways in Asia.
• Yangtze sturgeon: The critically endangered fish — a species that has survived on Earth for more than 140 million years — has been observed returning to river sections previously blocked by dams, with researchers documenting early signs of recovery.
• Fishing ban: In 2020 C.E., China imposed a decade-long moratorium on commercial fishing across the Yangtze and its tributaries, compounding the benefits of the dam removals and giving the ecosystem significant breathing room.

Why removing dams works

When a dam comes down, rivers respond quickly. Water moves at its natural pace. Sediment travels downstream the way it should. Fish cut off from spawning grounds can reach them once more.

On the Chishui, scientists have documented exactly this sequence. Fragmented habitats have been reconnected. Migratory routes blocked for decades are open again. The Yangtze sturgeon, once considered extinct in the wild, is among those benefiting — researchers have observed the species in sections of the river that were previously inaccessible.

A landmark study published in Nature found that dam removals consistently improve ecological conditions within years, not decades. The Chishui project fits that pattern, and its scale gives researchers an unusually large dataset to work from.

A coordinated plan, not just demolition

The dam removals don’t stand alone. China’s approach to Yangtze River restoration has been deliberately layered.

The 2020 C.E. fishing ban — running through 2030 C.E. — removed commercial pressure from a river system that had been severely overfished. New regulations targeting sand mining, a major driver of riverbed degradation, added another layer of protection. Water quality monitoring has been scaled up across the entire basin.

The World Wildlife Fund has documented the Yangtze’s biodiversity crisis for years, noting that the river basin holds more than 400 fish species and supports hundreds of millions of people. Restoring it is both an ecological and a human priority — and the two are not as separate as they might seem.

Communities and economies along the river

River restoration carries real economic weight. Healthier waterways support cleaner drinking water, more productive long-term fisheries, and new opportunities in sustainable tourism — all of which matter to the communities that depend on the Chishui and the Yangtze.

Research by Headwaters Economics has shown that dam removal projects across multiple countries generate measurable economic returns, particularly in rural areas where local livelihoods are tied to river health. The Chishui corridor, with restored fish populations and cleaner water, is positioned to see similar gains.

China is not alone in this shift. American Rivers reports that thousands of dams have been removed across the U.S. over the past three decades, with consistent improvements in aquatic biodiversity and community well-being. Europe has removed more than 5,000 dams since 2000 C.E. The Chishui project adds significant momentum to what is now a genuinely global movement.

As countries pursue renewable energy alternatives that reduce dependence on hydropower, pressure on rivers for electricity generation is beginning to ease — creating the political and economic conditions that make projects like this possible. The International Renewable Energy Agency has tracked this shift, with renewables now making up a growing share of global power capacity across nearly every region.

What remains unfinished

The Yangtze River restoration is an ambitious undertaking, but it faces real limits. Decades of pollution, habitat loss, and population pressure don’t reverse overnight, and some species — including the Yangtze River dolphin, declared functionally extinct in 2006 C.E. — cannot be brought back regardless of how well the river recovers.

The fishing ban also displaces tens of thousands of fishing families whose economic transition depends on government support programs that vary widely in effectiveness.

Still, the Chishui project demonstrates something important: political will and coordinated policy can produce measurable ecological recovery at a scale that once seemed impossible. That’s a finding with implications far beyond China’s borders — and a reason to watch what happens next on the Yangtze with genuine interest.

Read more

For more on this story, see: Alchetron — Yangtze

For more from Good News for Humankind, see:

• Ghana creates a new marine protected area at Cape Three Points
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• The Good News for Humankind archive on environment

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