"If you allow unlimited usage, you just run out of gas," says Verizon chief Lowell McAdam. Oh, and don't go looking for a price war anytime soon.
The tech giant pulls out of the conservative lobbying group that is known to have pushed legislation to block renewable energy development.
NASA JPL and Makerbot have announced the winners of their Thingiverse Mars Base challenge to design and 3D print a human habitat for the Red Planet.
In 2007, a tornado flattened Greensburg, Kan. Now it's on a path to financial stability thanks to a city-wide green rebuilding effort. CNET Road Trip 2014 looked at the wreckage and the recovery.
Juniper Research finds worldwide carbon dioxide emissions from cell phone charging will more than double by 2019.
A UK project is trying to create a method of sustainable, disaster-proof, off-the-grid living for thousands around the globe.
A watchdog group alleges several children work in assembly lines at a factory that makes Samsung's mobile phone covers and parts. The company says it's looking into these claims.
This solar-powered light sculpture responds to its surroundings and tweets out updates on mood and energy levels.
The iPhone maker is finally letting developers access more of its mobile OS. That's great news -- unless you're in a department Apple wants to dominate.
Google's new self-driving car prototype surprised even robo-car experts and suggests the company is further along than expected.