Latest Articles
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![solar installer with a superhero cape]()
Solar panels can protect you from terrorism
Rooftop solar systems could help keep the lights on after a terrorist attack on the power system, says the nation's top energy regulator.
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A gag too far: How ag-gag laws can backfire
As Big Food pushes harder to limit farm exposés, it may only broaden and strengthen the animal protection movement.
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New bill in Congress would require GMO labeling
Bipartisan legislation introduced this week in the House and Senate would require food containing genetically engineered ingredients to be labeled.
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Sierra Club comes out in favor of immigration reform
The group's board has unanimously endorsed a pathway to citizenship, a big shift after years of internal fighting over immigration.
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This magical filter makes soda into water
This water bottle, which is based on a filter developed by NASA, is so powerful it gets rid of everything in the Coke that makes it Coke, and turns it into plain water.
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Nitrogen fertilizer is bad stuff — and not just because it could blow up your town
When a massive fertilizer stockpile blew a hole in a small Texas town last week, it should have made us wonder: Why do we need this stuff in the first place?
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L.A. ice cream shop churns all its ice cream using bike power
An L.A. man who loves bikes and ice cream has gotten them together, for sustainable pedal-powered deliciousness.
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A master class on the state of clean-energy investment [VIDEO]
Learn about trends in clean energy from one of the smartest guys around, Michael Liebreich, head of Bloomberg New Energy Finance.
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Obama’s group Organizing for Action finally takes up climate change … sort of
The Obama team isn't pushing for climate legislation, it's just trying to embarrass climate deniers in Congress. But better than nothing, right?
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It’s World Penguin Day! Here are some ways to celebrate
We are fans of penguins. We do not want them to go extinct. Because look at all the things they do for us.
