From digital neighbourhood maps in Nairobi's Kibera slum that allow residents to point out service gaps, crimes and accidents, to Korea's "green cards", mayors serve as vanguards of sustainability with these 15 city-driven innovations.
Vinod Thomas –
Though climate change is the single biggest challenge facing humankind, the next president of the US, Donald Trump, does not believe it is happening, or at least that humans have a role in driving it. But there are reasons why even a climate skeptic should want to tackle climate action.
Hannah Koh –
Taiwan is constantly lauded as a solar powerhouse and a genius in recycling, but its innovation in green solutions and technologies still flies under the radar, as Hannah Koh finds out on a recent trip to Taipei.
Emma Bailey –
Smart thermostats have the potential to revolutionalise home energy efficiency, but also bring concerns such as privacy and security. Tech writer Emma Bailey shares how the technology can be scaled up more effectively.