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 |

In Brazil, a woman trained through the School of Women Leaders explains to her neighbors what she has learned. Photo: Maria do Carmo Carvalho / Habitat for Humanity [[tweetable]]Despite the fact…

Jane W. Katz |

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 |

Also available in: Français | Español | العربية The premise behind the Sustainable Cities photo competition was simple. [[tweetable]]We wanted to learn what people around the world “see” when they…

Xueman Wang, Dini Djalal |

We are approaching the end of year two of implementing the Sustainable Development Goals (SDGs). In September 2015, global leaders from 193 countries set a 15-year deadline – by the year 2030 – to…

Mahmoud Mohieldin, Ede Ijjasz-Vasquez |

Evaluating the optimal way to expand electricity access across a country is difficult, especially in countries where energy related data is scarce and not centralized. Geospatial plans informing…

Dimitris Mentis, Chiara Odetta Rogate, Yann Tanvez |

[[tweetable]]When it comes to responding to disasters, time is of the essence.[[/tweetable]] Help needs to come immediately to save lives; recovery and reconstruction have to start swiftly to…

Zuzana Stanton-Geddes, Jolanta Kryspin-Watson |

Cities in Africa are growing at unprecedented speeds. In Kenya, about 12 million of the country’s over 40 million people live in urban areas today. However, [[tweetable]]a child born in 2017 will…

Ede Ijjasz-Vasquez, Dean Cira |

It’s no secret that renewable energy development in developing countries is on the rise.  In its most recent report on renewable energy investment, the UN states that investment in renewables in…

John Probyn, Sara Perea Sigrist |

Brazil, China, India, Indonesia, Mexico, Poland and South Africa are among the world’s largest emerging economies. And in the past five years, all have made substantive shifts towards lower-carbon…

Nicholas Keyes |