Copenhagen to Washington: 24 hour climate hack to make cities sustainable

Climate-KIC's campaign saw 20 cities crowdsource ideas to make their cities greener, from cycling to food waste

How to get people interested in climate change action when the problem seems so great and so removed from everyday reality? That's the conundrum governments, activists, companies and the media have faced for decades.

Occasionally a standout voice or campaign on climate change action grabs attention - Naomi Klein's bestseller This Changes Everything, and Al Gore's Climate Reality Project, for example. All too often, however, the science around climate change fails to resonate with people.