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 |

Photo: shplendid | Flickr Creative Commons Talk of trade tariffs and heightened geopolitical tensions are dominating news headlines recently. As developed economies consider escalating…

Mark Moseley |

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 |

As the world urbanizes rapidly, [[tweetable]]international experience has shown that economic activities concentrate in a relatively small number of places[[/tweetable]] – it is estimated that…

Sameh Wahba, Judy Zheng Jia |

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 |

I had the privilege recently to spend an unscheduled hour of discussion with a group of young Tunisians who were visiting our offices. As often, on these occasions it is hard not to get captured…

Antonius Verheijen |

Those of you who have visited Dubai in recent years may relate to what I am going to say: Dubai is in the middle of the desert, and its land, not that long ago, was really worth nothing. Now it is…

Wael Zakout |

Photo: Evan Blaser/Flickr The concentration of population in cities and their exposure to seismic hazards constitute one of the greatest disaster risks facing Peru and Ecuador. In 2007, a…

Sofía Guerrero Gámez, Georges Darido, Ignacio Sánchez D’Ocon, Naho Shibuya |