Also available in: Español | Français | 中文 By Gregor Robertson, Mayor of Vancouver, Canada Around the world, cities are taking the lead on addressing the challenge of climate change. While senior…

Gregor Robertson |

Also available in Français | Español | 中文 In January, World Bank Group President Jim Yong Kim urged the audience at the World Economic Forum in Davos to look closely at a young, promising form of…

Heike Reichelt, Alexandra Klöpfer |