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 |

A local bus in Luxembourg. Photo: Fränz Bous/Flickr As discussions concluded at COP24, countries still struggle to translate their climate commitments into effective and socially acceptable…

Nancy Vandycke, Javier Morales Sarriera, Gurpreet Singh Sehmi |

As the world observes World Environment Day this week, we should be mindful that [[tweetable]]there will be more plastic in the oceans than fish by 2050 if nothing is done[[/tweetable]], according…

Silpa Kaza, Lisa Yao |

Having spent much of my working life working with and in countries in transition, it remains painful to watch the disillusionment that so often strikes people that had the courage to change a bad…

Antonius Verheijen |

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 |

Allô École! training for parents, primary school, Tshikapa, DRC. (Photo: Ornella Nsoki / Moonshot Global,  Sandra Gubler / Voto Mobile Inc.,  Samy Ntumba / La Couronne) Mobile solutions for better…

Maria Amelina |

In Jamaica, about a quarter of electricity produced is stolen or “lost” through non-paying customers and/or accounting errors. Manual detection has failed to make a difference in reducing this…

Anna Lerner, Priyanka Ripley |

Mexico created over 60, 000 jobs between 1993 to 2000 upgrading the apparel value chain from assembly to direct distribution to customers.  (Photo: Maria Fleischmann / World Bank) As we discussed…

Ruchira Kumar |

Photo: SkyPics Studio/Shutterstock Data on the sharing economy (Uber, Airbnb and so on) are scarce, but a recent study estimates that the revenue growth of these platforms has been dramatic. In…

Hernan Winkler |

​Today, a quarter of the world’s population lives in urban “agglomerations”—supersized metropolitan areas that cut across jurisdictional boundaries and bring together one or more cities along with…

Ede Ijjasz-Vasquez, Philip E. Karp, Maria Angelica Sotomayor |