After months of preparation, the Sanitation Hackathon weekend is upon us.In dozens of countries around the world, IT and sanitation experts will join forces for an intensive brainstorming and…

Sanitation Hackathon Team |

All climate negotiations have been based on staying below 2°C above pre-industrial temperatures. Yet it looks increasingly unlikely that that will be possible. A new report, Turn Down the Heat:…

Julia Bucknall |

Driving through Sao Paulo yesterday, I was struck by the power of cities. While cities are part of the climate change problem, they need to be part of the solution too. They are bigger and more…

Dan Hoornweg |