Ditch your car this week! We double-dog dare you

Around the world this week, people are spurning their cars in favor of buses, bikes, and their own two feet. Are you up for the challenge, America?


Junk-food manufacturers explore a new realm of advertising: Apps

The FTC's efforts to limit advertising to kids have hit a new stumbling block: iPhone games.


Ask Umbra: What’s that stuff in my bra?

A reader wonders about what’s in those newfangled foam rubber bras. Umbra makes the big reveal, and offers some uplifting alternatives.


Slovenians house their bees in works of art

Slovenes provide gorgeous painted beehives for their colonies


Knope and change: A tribute to the women of urban sustainability, inspired by Parks and Rec

In the first of our series about the women who are leading the fight to make cities more green, Minneapolis Sustainability Director Gayle Prest talks about putting beehives on city hall, the Asian carp invasion, and her Spandex-free approach to …


Umbra’s second helpings: Back-to-school advice for the eco-minded student

Readers write in search of green fundraising ideas and tips for eco-friendly dorm living. Umbra fills their backpacks with great ideas.


Your CD collection is greener than Spotify

A new report crunched the numbers on your Spotify habit and concluded that it's terrible for energy consumption.


$50 solar-powered water purifier is so green it’s like a joke

This invention is like a parody of a green technology: It’s solar-powered, it reduces pollution, and it provides clean water. All at once!! But we have to admit, it looks pretty useful and is actually rather attractive. TreeHugger reports: The …


RIP, Larry Gibson: Longtime mountaintop-removal activist dies on mountain he loved

The West Virginia native died Sunday, after decades spent fighting the good fight.