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Artículos sobre Dams

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Lesotho’s Katse Dam, which forms part of the Lesotho Highlands Water Project, with underground tunnels carrying this water to South Africa. Walter Dhladhla/AFP/Getty Images

South Africa’s crucial water supplies from Lesotho: what the six-month shutdown means for industry, farming and residents

The tunnel bringing millions of litres of water from dams in Lesotho to South Africa is to undergo a six-month repair. This could leave residents of Gauteng in South Africa short of water.
The Supreme Court of Canada ordered the federal government back to the drawing board on its Impact Assessment Act. But the legislation got a lot of things right in an era of climate change and related issues. THE CANADIAN PRESS/Sean Kilpatrick

Canada’s Impact Assessment Act must be both Constitutional and ensure a sustainable future

The Supreme Court of Canada has ruled that the federal Impact Assessment Act needs amendments for Constitutional compliance, but the court’s recommended approach is no longer viable.
Fly-fishing in Alaska’s Tongass National Forest. Joseph/Flickr

What social change movements can learn from fly fishing: The value of a care-focused message

Founded in 1959, the membership group Trout Unlimited has changed the culture of fly-fishing and mobilized members to support conservation. Could its approach work for other social problems?
Water spills over the Copco 1 Dam on the Klamath River near Hornbrook, Calif. AP Photo/Gillian Flaccus

Removing dams from the Klamath River is a step toward justice for Native Americans in Northern California

The largest dam removal project is moving forward on the Klamath River in California and Oregon. Tribal nations there have fought for decades to protect native fish runs and the ecology of the river.
The breach of the Kakhovka dam in Ukraine could have lasting ecological and health impacts. Ukrainian Presidential Office via AP

Kakhovka dam breach: 3 essential reads on what it means for Ukraine’s infrastructure, beleaguered nuclear plant and future war plans

Russia and Ukraine have blamed each other for the attack on crucial civilian infrastructure. Experts explain what the incident means for future war plans, and for the safety of the affected region.
Forecasting, risk plans and effective drainage systems can mitigate the impact of severe floods. Photo by Pius Utomi Ekpei/AFP via Getty Images. Getty Images

Flooding in Nigeria is on the rise – good forecasts, drains and risk maps are urgently needed

Nigeria is expected to experience severe flooding this year. With proper planning and management its impact may not be so devastating.
Sprinklers water a lettuce field in Holtville, California with Colorado River water. Sandy Huffaker/AFP via Getty Images

The Colorado River drought crisis: 5 essential reads

Two decades of drought have reduced the river’s flow by one-third compared to historical averages. The Biden administration is considering mandatory cuts to some states’ water allocations.
Establishing the financial worth of a river’s fish is complicated when many people don’t sell the fish they catch. Tang Chhin Sothy/AFP via Getty Images

How much is the world’s most productive river worth? Here’s how experts estimate the value of nature

Putting a dollar value on nature has staunch opponents who say it’s morally wrong, but without it, building dams and other infrastructure can run roughshod over vital ecosystems.

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