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: Dane Macri/The Advocacy Project via Flickr CC. The relationship between poverty and disability goes both ways: [[tweetable]]disability increases the risk of poverty[[/tweetable]], and[[…

Charlotte McClain-Nhlapo |

The world is urbanizing fast—200, 000 people are moving to cities every day in search of homes, jobs, as well as education and healthcare services for their families. Supporting this influx with…

Luis Triveno, Martim Smolka |

Last November, 345 “Zika Warriors” took to the streets of Jamaica to fight the spread of the Zika virus in 30 communities. These local residents trained as vector control aides to prevent Zika…

Silpa Kaza, Lisa Yao, Jiwon Park |

​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 |