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Tell President Obama: It's time to reject Keystone XL!

President Obama has all the information he needs to reject Keystone XL once and for all. Take action now to urge the president to reject this dangerous tar sands pipeline.

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COMING CLEAN

Good News for the Arctic (But the Window's Not Shut Yet)

When you're working toward a big goal, progress isn't always smooth. If you're lucky, though, the breakthroughs outpace the setbacks, even... more

It's a farewell to arms for California sea stars.
A year after he was nearly killed by a polar bear, Matt Dyer returned to the wild with the people who saved his life.
Buy your cooking grease from family-owned estates and you're much likelier to be helping the planet.
Gear that works as well in town as it does on the trail.
Got an old garden hose? Time to wrap it up into a handy basket.
Large aggressive non-native species are invading coastal waters off the Southeast U.S. The best way to fight them is with knife and fork.
Filming the wild and sometimes treacherous history of Yosemite Valley climbing.
Conservationists are turning to high-tech surveillance gear.