"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.
Creator of the modular smartphone Phonebloks is stepping into the wearable market with a customisable, modular smartwatch called Blocks.
This solar-powered 3D printer fits in a suitcase and can replicate itself or print parts to build an even larger 3D printer.
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.