Category Archive: Water & Energy

Nov 14

Dams: They Cut Both Ways

Dams can benefit society—and harm river ecosystems. Listen up for why it’s important to balance the good with the bad: Dams can create a reservoir to hold water, protect areas from floods, or generate clean electricity. All good, right? But wait, there’s more: A dam also physically blocks migrating fish and changes the overall biology …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/dams-the-good-and-the-bad/

Aug 07

Oil and water in the Straits of Mackinac

Every day, about 20 million gallons of oil travel through an underwater pipeline at the narrow passage that connects lakes Michigan and Huron. “There’s a lot of concern that this line could rupture,” says Mike Shriberg of the National Wildlife Federation, which helps organize the Great Lakes Business Network. It’s a coalition of more than …

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Permanent link to this article: http://www.currentcast.org/toxic-contamination/oil-and-water-in-the-straits-of-mackinac/

Jul 23

When the water rises too high

The water level on Lake Ontario can be partially controlled by a dam on the Saint Lawrence River. But… “…only so much water can pass through that at a certain time,” says Lana Pollack, the U.S. Chair of the International Joint Commission. She says when there’s a lot of rain or snow melt, the lake …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/when-the-water-rises-too-high/

Jul 20

When Cutting Dam Losses Just Makes Cents

Sometimes removing a dam is a better “fix” than repair. Listen up: Let’s start with the good news. Thousands of dams across the U.S. harness rivers to reap a variety of goods and services. And here’s the economic but: As those dams age, their owners can face significant repair or maintenance costs. Brian Graber of …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/when-cutting-dam-losses-just-makes-cents/

Jul 19

Water Power: The Good, the Bad, and the Bubbly

Hydropower is one of the cleaner energy options, but that doesn’t make it perfect. Wade into this: Rushing, cascading water doesn’t just power epic rafting trips—fast-flowing water also creates hydropower. It goes something like this: A dam is built in a river, holding back the water to form a reservoir. When released, the force of …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/hydroelectric-power/

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