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 |

Ethiopia is still predominantly a rural country, with only 20% of its population living in urban areas. But this is set to change dramatically. Figures from the Ethiopian Central Statistics Agency…

Abebaw Alemayehu |

Queen Alia International Airport, Jordan. © littlesam/Shutterstock [[tweetable]]In many developing countries, there are glaring gaps in the quantity of infrastructure per capita.[[/tweetable]] For…

Joaquim Levy, Zamir Iqbal |

Photo: The central square of the old town. Brasov. Transylvania. By Ann Stryzhekin/ Shutterstock When U.S. Commodore Matthew Perry arrived in Yokohama in 1854, it was a backwater village in Japan…

Marcel Ionescu-Heroiu, Yuko Okazawa |

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 |

Also available in: Español | 日本語  Photo: MediaFOTO/PIXTA In March 2011, the Great East Japan Earthquake struck Japan, unleashing a tsunami that left some 20, 000 people dead or missing. Sendai,…

Sanae Sasamori, Naho Shibuya |

Also available in: Español | 日本語  Picture of the Competitive Cities Technical Deep Dive participants enjoying a walk through the Minato Mirai 21 area (with the Cosmo Clock in the background),…

Sameh Wahba, Megha Mukim, Daniel Levine |