PUMA: GM and Segway's Solution for Urban Transportation

Every year, more people worldwide flock to cities, where congestion and pollution are becoming intolerable. GM and Segway have teamed up to build what they believe is the solution: a two-seat, two-wheeled Segway with zero emissions.READ»

Can Wind Power a Rural Renaissance?

Jon Bergstrom, a cotton and hay farmer in Sweetwater, Texas (population 10,472), looks outside his window every day and feels grateful. The giant white towers spinning on the near horizon have everything to do with it. Sweetwater is ...READ»

Movie Ratings: Running the Numbers

On November 1, 1968, bowing to howls that movies were corrupting youth, the film industry unveiled a voluntary rating system, which told youth what to see to be corrupted. The ratings have evolved (X is now NC-17, though we still say "X" since "triple-NC-17" sounds lame), but kids' desire to sneak into R movies hasn't changed. Here's a look at the system and its stats.READ»

• Now November 2008

New Ways to Measure Energy Use

Intelligent systems can now monitor buildings, traffic, even bodies of water. READ»

• Attack of the Green-Tech Geeks
• High-Tech Ways to Go Green at Home

Green Washing

I enjoyed reading your excellent article about the Sierra Club's endorsement of the new Clorox Green Works line ("Cleaning Solution," September). As marketing professors and researchers, my colleague Cathy Hartman and I ...READ»

Updates

Texan Trees"Carbon Boom" (July/August) addressed the idea of offsetting greenhouse- gas emissions by preserving forests, largely in tropical regions like Brazil and Indonesia. Now the so-called forest carbon trade has come ...READ»

• Feedback

The Port of Los Angeles is the Gateway to Ingenuity

L.A. and Long Beach invested $1 million in the first hybrid tugboat, due out this fall. Software on board decides how to deploy the two diesel engines, two generators, and 21,000 pounds of batteries. Tug maker Foss expects fuel ...READ»

Chicago is the Creative Capital of ohe Universe. Discuss.

Skyscrapers, green roofs, and house music -- a very American metropolis. READ»

Saving the World at Work

Fast Interview: Tim Sanders, author of Saving the World at Work: What Companies and Individuals Can Do to Go Beyond Making a Profit to Making a Difference, talks about how employees are greening their companies from within, the death of the casual consumer, why bosses are welcoming their ideas, and how the new exclamation of approval is "That's off the grid!"READ»

• Building Green Homes
• Are Beijing's Olympics Really Green?

The Green Traveler: Seven Offbeat Eco Trips

Rajashtan, India: Camel rides across the Great Indian Desert, in western extreme part of the state of Rajasthan, are a carbon-friendly way to see the country’s ancient temples and the rugged Aravalli mountain ...READ»