Seen as the ‘missing piece’ to a clean energy future by Tesla’s CEO Elon Musk, Powerwall is a battery that stores electricity from solar panels, or from the grid when utility rates are low. Available for your home and for businesses, can Powerwall spark an energy system revolution?

Tony Fadell, the man who helped oversee the design of Apple's iPod and iPhone, has designed a new thermostat, as beautiful as any Apple device and just as smart inside; a thermostat that promises to 'learn' the patterns of its users.

Over 60% of Brits want to see more CCTV in their local area, but 86% of internet users have taken steps to remove or mask their digital footprints. With such a difference in attitudes, we're living in ‘the privacy paradox’. But if we care so much, why do we share so much?

As you leave for work, you yell “lock” and “camera on” to keep the house secure, before telling your vacuum to clean the bedroom carpet while you're out. It's not a sci-fi film - the technology is available now. But do we really want our homes to be controlled by technology?

Opower is opening up energy consumption data and motivating consumers by helping them share and compare. By doing so, they’re successfully reducing usage where utility companies have failed to engage.

In the US, 66% would be willing to 'live with some discomfort' to save money on energy bills - but only 57% would do so to help the environment, despite most claiming that they want to change their energy usage behaviour for environmental reasons.

The Chinese urban population is set to increase by 13 million every year between now and 2030. But with 95% of China’s cities falling short of environmental standards, the government is urgently seeking greener models for urban living. Will eco-cities be China’s cities of the future?

Up to 40% of a city’s electricity use may be dedicated to street lighting. But what if lampposts could do more than illuminate pavements? What if they could get brighter under dark clouds or give a lost driver directions? GE has created bulbs that work harder and longer for cities of the future.