Lifts are becoming more sustainable, as the percentage of the world's population living in cities grows
How the Smithsonian’s newest museum set the bar for sustainability in architecture
A coalition called Powerhouse is designing buildings that produce more energy than they use in their entire lifecycle
Scientists at the University of Maryland have developed a biodegradable material that is both strong and a good insulator
A high-wattage Republican Mayor of Georgetown, Texas, has become the unlikeliest hero of the green revolution
Self-driving cars were far from Ralph Teetor's mind when he patented his speed control device
The fossil fuel era won't last forever. And a new set of nations will find their reserves of lithium, copper and rare earth metals in high demand
Perhaps there is still a case for the greenhouse-gas gushing games if host cities amplify their efforts to showcase green tech and innovations
Reducing the need for trucking by delivering some packages with electric drones could save fuel, and potentially carbon emissions. But how much?
And it involves shepherding a landscaping crew of hungry sheep
A new documentary highlights the challenges overcome by the experimental aircraft, Solar Impulse
Researchers took a cue from the electric eel to create a soft, foldable battery that could one day power devices like pacemakers
Scientists at Columbia University have designed a device that could make the process economically viable
The eccentric inventor and modern Prometheus died 75 years ago, after a rags-to-riches to rags life
Damming rivers may seem like a clean and easy solution for Albania and other energy-hungry countries. But the devil is in the details
Researchers have developed a method for turning yogurt whey into bio-oil, which could potentially be processed into biofuel for planes
In a new book, Paul Shapiro describes clean meat as a promising alternative to industrial-scale farming
New research on how occupants inhabit energy-efficient buildings reveals behaviors designers don't anticipate—and a slew of bloopers
Scientists have engineered sugarcane to increase its oil content, and they are developing renewable jet aircraft fuel from the oil
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