August 2010

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Pros and Cons of Hydroelectric Dams

EarthTalk® From the Editors of E/The Environmental Magazine Dear EarthTalk: Many people oppose dams because they change the flow of rivers and affect the migrating patterns of fish and other species, but aren’t they also a great renewable energy source? -- Ryan Clark, Milton, WA Hydroelectric dams are among the greenest and most affordable electricity sources in the world—and by far the most widely used renewable energy sources—but they also take a heavy environmental toll in the form of compromised landscapes, ecosystems and fisheries.

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Blue-Green Alliance Launches Campaign for Clean Energy Jobs

A coalition of labor unions and environmental organizations announced the launch of a new campaign this week to overcome Republican roadblocks in the Senate to passing climate change and clean energy jobs legislation.

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Buy Local Food

EarthTalk® From the Editors of E/The Environmental Magazine Dear EarthTalk: I know that local food has health and environmental benefits, but my local grocer only carries a few items. Is there a push for bigger supermarkets to carry locally produced food? -- Maria Fine, Somerville, MA By eating locally sourced foods, we strengthen the bond between local farmers and our communities, stay connected to the seasons in our part of the world, promote crop diversity, and minimize the energy intensive, greenhouse-gas-emitting transportation of food from one part of the world to another.