In a literal flash of insight, NASA's Cassini spacecraft has confirmed the existence of lakes of liquid in the Northern Hemisphere of Saturn's moon, Titan.
Unless our sewage happens to end up in the Bay and in the headlines, most of us probably never give a second thought to where our wastewater is headed each time we run the tap or flush the toilet. To learn more about the travels of sewage, I took a tour of the Las Gallinas […]
When football fans tune in on Super Bowl Sunday next weekend, they'll be watching a greener Super Bowl, according to the NFL. Demand for carbon credits is booming, with companies from Dell Computer to Enterprise Rent-a-Car offering their customers offsets with their purchases. But critics are concerned that consumers don't know what they're buying – […]