The home improvement store Lowe's is partnering with Sungevity, a solar panel company, to offer instant, in-store estimates for home solar installation. The panels can be rented for a monthly fee. There goes your excuse: Get off the grid, already.

The EPA caved to manufacturers’ push to delay emissions standards for toxins like mercury and lead from industrial boilers.

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Former Utah governor and GOP presidential hopeful Jon Huntsman — who is a Republican, in case “Utah” didn’t tip you off — says he respects science and believes in climate change. All right, we might have someone in the 2012 race who thinks science is actually a thing!

It's not so easy to close parks, as California is going to find out when it tries to close 70.

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Thailand's Thap Lan national park might not be the best place to plan a camping trip. The park is unexpectedly supporting a growing population of wild tigers and of their poachers.