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Food

With her new gardening book, Michelle Obama stays away from politics

Michelle Obama's new book, "American Grown," reflects on the first lady's move away from food policy and toward individual and grassroots efforts.

Climate Skeptics

Climate-change deniers hitting a wall — but so is the planet

It’s been a tough few weeks for the forces of climate-change denial. But let's not forget how effective they've been over the years.

Climate & Energy

Bathtub photo lands coal activist in child-porn hot water

West Virginia coal activist Maria Gunnoe testified before a congressional committee about her community's ruined water supplies. Instead of action, her evidence triggered a conversation with the Capitol Police.

Politics

17-year-old tells world leaders to step up, give her a future

Seventeen-year-old Brittany Trilford says it's time for presidents, prime ministers, and corporate bigwigs to stop destroying the planet. Later this month, she may get to deliver her message in person.

Renewable Energy

The new new hydropower: Small-scale turbines have big potential

Move over, big-ass dams. Hydropower is getting a makeover thanks to a new type of hydrokinetic turbine that runs in canals and spillways.

Food

New Agtivist: Fixing school lunch in the nation’s capital

Meet Andrea Northrup, a 25-year-old working to bring local foods into the public schools of Washington, D.C.

Green Living Tips

Ask Umbra: Are we about to wreck space, too?

A reader asks if it’s ethical to mine asteroids. Umbra takes us on a voyage of discovery.

Media

Facebook will sell me to you, and you to me

Facebook is going to try to turn personal relationships into an advertising medium. That will be a big turn-off -- and will spur the search for better alternatives.

Biking

NYC learns to heart bicycles

Just over a year ago, New York's transportation commissioner was raked over the coals for her romance with bikes. Now, it seems the city has fallen for them too.