The all-solar plane has already made it from the Bay Area to Phoenix. Check out pictures from the first leg of Solar Impulse's historic trip across America.
Solar Impulse has the wingspan of Boeing 747 but weighs only as much as a Subaru Outback. It shows that environmentalism is anything but boring.
Meet the newest addition to the Prius family, and find out how well it performs.
A solar insider reveals that "solar panels don't work well." But this ill-timed and inaccurate charge could be just a ploy to boost his own business.
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.
How can we best protect the wee ones?For survivors of Japan’s devastating earthquake and tsunami, there have been so many concerns: access to clean water and food, the need for shelter, the threat of disease. …
Here's a document WikiLeaks doesn't have: a so-called "word cloud" produced by sophisticated word-frequency-analysis software, only available on the internets.
A dozen black-clad solar ninjas converged at the Solar Power International conference to protest Prop 23 and rally other solar companies against it.
All reading lists are incomplete and arbitrary. This is especially true of a list limited to a dozen works about the ocean, the blue immensity that comprises 71 percent of our planet. So take this …
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.