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.

Since the first bike path was built in Brooklyn in 1894, over 200,000 New Yorkers cycle the streets every day. But this green and healthy shift has run into difficulties, so cyclists are crowdsourcing a map of cycling issues and hazard warnings to promote bike safety.

Between busy commutes, noise pollution and a lack of greenery, it’s no wonder that city-dwellers are 21% more likely to experience anxiety than country folk. Happy City is an initiative that advises decision makers on thinking that could lead to better urban planning – and happier urbanites.

Agritopia is one in a growing number of developments known as agrihoods springing up across the US. Built around working farmland, they aim to reintroduce community spirit and agriculture to the anti-social suburban sprawl. But what exactly is the appeal of these neighbourhoods?