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.

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.

25,000 hours of warm, yellow, planet-saving light, yours for only $39.95.

And here are some tips on how to make use of that light.