Follow the authors on Twitter: @chyiyunhuang and @shomik_raj   A recent trip to Addis Ababa really brought the imperatives of transit-oriented development as a complement to mass transit…

Chyi-Yun Huang, Shomik Mehndiratta |

Sometimes, international convention meetings can be heart-breakingly slow-moving. The Convention on Biological Diversity (CBD) – one of the three conventions born after Rio in 1992 to drive…

Rachel Kyte |

Gro Harlem Brundtland, former prime minister of Norway and special envoy of the UN secretary-general on climate change, speaks with Michelle Bachelet, former president of Chile and executive…

Rachel Kyte |

Only a very short time ago, we were drawing blank looks when we mentioned "natural capital accounting." This week at Rio, everyone is talking about it. Walls are plastered with flyers…

Rachel Kyte |