© Gerardo Segura Warnholtz  In Science magazine, earlier this year, researchers revealed that ancient forest peoples of the Amazon helped create much of the imposing forest landscape that the…

Gerardo Segura Warnholtz |

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 |

Hammerby Sjöstad, in central Stockholm, is integrated urban water management in action. The district, which was intended to be an Olympic Village, once was an old industrial area, but it has been…

Michael Peter Steen Jacobsen |

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 |