Business & Technology

Cheap alloy could produce zero-carbon hydrogen from sunlight

An inexpensive combination of two metals common in the manufacture of computer chips can generate hydrogen from water, using only sunlight as an energy source. If the process can be made commercially viable -- and …

Green Cars

Will the Camry Hybrid help Toyota get its groove back?

After suffering recalls, an earthquake, and a tsunami, the maker of the ever-popular Prius pins its hopes for rebirth on a new green model: the Camry Hybrid.

U.S. Navy's wave-power buoy plays chicken with Irene, wins

So last week Irene was all like, "HERE I AM! I'm going to rock you like myself!" And off the coast of Jersey (where else?) the U.S. Navy's PowerBuoy was like "bring it!"

Climate Change

Is planet-cooling balloon full of hot air?

A stadium-sized balloon tied down by a giant garden house could mimic the cooling effect of volcanoes, say British researchers.

The greenest building on Earth

Workers broke ground this week in Seattle on a six-story building that will generate its own power, collect and reuse rainwater, compost its sewage, and depend on daylight instead of halogen lamps. Its owner, the Bullitt Foundation, …

Biodegradable cigarettes: Because why should everything else die with you?

Just because your lungs are blackened doesn't mean you can't be green. San Diego-based company Greenbutts makes cigarette filters that not only biodegrade, but sprout when buried into what have to be the world's least …

The dilemma of growth, as dramatized by the voices in my head

Is continued economic growth inevitable and necessary to drive improvements in the human condition? Or is continued economic growth impossible, constrained by biophysical limitations? I let the two sides battle it out in my brain.


Dissing coal — and the future of West Virginia

When state leaders react to mild criticism of coal like it's an assault on the dignity of all West Virginians, they're doing more than overreacting: They're cheating the Mountain State out of a clean energy …

Green Jobs

Why do green jobs pay better than other jobs?

Less-educated workers with green jobs get higher wages than their peers with other low-skill jobs. Could it be because more green jobs are union jobs?