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Bike messengers: Still rockin’ in the freewheel world

Despite numerous reports of their demise, bike couriers are still going strong -- a testament to the power of human-fueled transport in traffic-choked cities. Last week, they gathered in Chicago for some gonzo street racing, karaoke, and gobs of cheap beer.

Climate & Energy

Chevron refinery explosion reminds us that fossil fuels are killers

In the aftermath of the refinery explosion in Richmond, Calif., this week, one nearby resident reflects on how our energy system is deadly -- even when it is working exactly as it should.


Going for the green: Olympic swimmer Natalie Coughlin could medal in gardening

Despite what you hear about Olympians and their heavy diets, Coughlin eats mostly vegetarian and raises fruits, vegetables, and chickens in her backyard in Lafayette, Calif.


Farmers, beekeepers, brewers: Book takes on New York’s food makers past and present

In her new book, "Eat the City," author Robin Shulman digs in to the Big Apple's food producing past and takes a romp through its lively present.


Ted Cruz, Tea Party’s new Latino hero, is a bit loony on green issues

For a guy being touted as an intellectual, Cruz has some out-there views on toilets and Agenda 21, and some confused views on Keystone and cap-and-trade.

Climate & Energy

The hunger wars in our future: Heat, drought, rising food costs, and global unrest

The physical effects of climate change will prove catastrophic. But the social effects -- food riots, state collapse, mass migrations, and conflicts of every sort -- could prove even more disruptive and deadly.


Drought: Bad for the Gulf ‘dead zone’ after all?

The nation's drought-withered corn fields aren't taking in anywhere near the amount of nitrogen fertilizer that farmers put on the ground last spring. And the excess could show up in the Gulf of Mexico.

Climate & Energy

Gas prices explained by way of a neighborhood barbecue

Why does the price we pay for auto fuel spike and dive so unpredictably? You may find the answer in the burger on your grill.


Looking back to see ahead: One woman’s quest to bring back Native American food traditions

For native foods educator Valerie Segrest, the solution to health disparities in tribal communities lies in the hunting and gathering of generations past.