Melting Arctic ice is releasing banned chemicals like DDT, which were trapped there back when they were legal.

Post-tornado clean-up in Joplin, Mo. is going slowly.

Can water heaters store energy captured by wind turbines and solar panels? A startup called GridMobility thinks so.

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We all know that wind turbines can kill birds, but what if there's a high risk that those birds could be bald eagles? Then you've got a problem. First of all, you could get in big trouble with the feds if an eagle falls prey to your turbine, but second of all the symbolism is terrible.

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