Julia Steinberger: Worldchanging Executive Editor Alex Steffen has become a respected voice of dissent in the global conversation about geo-engineering strategies. This fall, he re-enters the...

WorldChanging Team: What happens with a new president? by Eric de Place This is the eigth in a short series of posts that explain some important but...

WorldChanging Team: Our right to know about fuel-efficient tires. by Eric de Place I'm always fascinated by the "1 percent solutions" to energy. It seems to me...

Ben Block: A shipment of forest timber traveled around the southern tip of Africa and across the Indian Ocean before it arrived at the Hong Kong...

Regine Debatty: The REACTIVATE!! exhibition at the at the Espai d' Art Contemporani de Castelló, near Valencia (Spain), being an almost endless source of wonders i tried...

Regine Debatty: I first came across the name of this extraordinary place in one of the BBC's Imagine-documentaries about German director Werner Herzog, who asked to be...

WorldChanging Team: We just got our fall catalog from our German publisher, and look what they put on the cover: We were so excited that we could...

Clark Williams-Derry: Downtown housing affordability is an international problem. Interesting article:  Alan Ehrenhalt argues in The New Republic that cities throughout North America are undergoing a "demographic...

WorldChanging Team: As much as we'd love to, we can't be everywhere that interesting discussions, conferences and events are taking place, even nearly as often as...

Ethan Zuckerman: There’s nothing like the term “cyberwar” to capture a reader’s attention. For those who grew up on “Wargames”, “Sneakers” or William Gibson novels, the term...

WorldChanging Team: by Hannah Doherty The Dead Sea has been a religious and cultural landmark of the Middle East for thousands of years. Saltier than the oceans,...

Sarah Kuck: Pressed for water resources, California's Orange County has spent millions of dollars to build and recently open a state-of-the-art water treatment system that processes...

Regine Debatty: You might remember that a year ago Marc Owens designed the Avatar Machine, a system which replicates the aesthetics and visuals of third person gaming,...

Ben Block: As biofuels imports increase in the United Kingdom, policymakers remain largely uninformed about the true environmental and social costs of producing these fuels, posing...

Ethan Zuckerman: Oh man. Google Insights for Search is good fun. I’m supposed to spend this week finishing a number of writing projects. But I spent almost...

WorldChanging Team: by Eric de Place A new spin on cap and dividend. Here's an intriguing idea from California: Carbon Share. It's basically a version of Cap...

Sarah Kuck: This October, renowned ideas summit Pop!Tech will once again bring the world's social innovation network to the seaside town of Camden, Maine. (Check out...

WorldChanging Team: By Sharon Hoyer There probably isn’t a single issue of sustainability and health that consistently strikes as passionate a chord as the production, distribution and...

Sarah Kuck: Since World War II, Midwestern farmers have been encouraged to use machinery, chemicals and government policies to ramp up crop and livestock production to...

Clark Williams-Derry: The same data yields two very different pictures of what's important. Behold:  two very different ways of looking at U.S. climate-warming emissions, thanks to the...