Aug 16

Some big fish to fry in midwestern rivers

Bighead and silver carp can grow up to four feet long and gobble up food that native fish rely on. These invasive fish are in the Mississippi, Missouri, and Illinois rivers. And if they get into the Great Lakes, they could do enormous damage. John Dettmers, of the Great Lakes Fishery Commission, says one strategy …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/5040/

Aug 15

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/

Aug 14

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/

Aug 13

Seal That Leak

Take a leak…and fix it like a pro. Listen up for a simple how-to: Why settle for leaky faucets when sealing ’em up can be as easy as one, two, three? Karen Wirth of the EPA’s WaterSense program explains the problem—and the simple solution. “An American home can waste on average more than 11,000 gallons …

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Permanent link to this article: http://www.currentcast.org/water-conservation-2/seal-that-leak/

Aug 12

Less Is Still More When It Comes to Biofuel

Crop-based biofuels burn cleaner than gasoline—but there’s a hitch. Listen up for the water-guzzling scoop: Everything you’ve heard is true: Compared with fossil fuels, burning biofuels releases fewer greenhouse gases. But what you might not know is that producing the cleaner-burning fuel also requires a lot of water. Take corn-based ethanol, for example, which is …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/the-water-footprint-of-biofuels/

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