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 |

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: 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 |

Rubens Donizeti Valeriano - Panamericano de MTB XCO 2014 - Barbacena - MG - Brasil. Photo: Daniela Luna Evidence-based rule-making for private sector development and service deliveryANNOUNCEMENT…

Jim Brumby |

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 |

Students at Beijing Bayi High School in China. Photo: World Bank In 1950, the average working-age person in the world had  almost three years of education, but in East Asia and Pacific (EAP), the…

Michael Crawford |

​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 |

The Stade Vélodrome in Marseille, France. Photo Credit: Ben Sutherland via Flickr Creative Commons In June 2016, nearly 2.5 million enthusiastic spectators gathered in France to attend the Euro…

François Bergere |