As the world rushes to reduce the negative impacts of climate change, ambitious sub-national actors are rising to the fore. The recent One Planet Summit exemplifies this trend. Earlier this month…

Prashant Kapoor, Marc Forni |

As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

Photo: Pierre-Yves Babelon/Shutterstock In an effort to harness the benefits of urbanization and improve the living conditions of the urban poor, Latin American countries have experimented with…

Luis Triveno |

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 |