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: 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 |

Children in Koutoukalé, Niger Have you ever wondered how your life chances are affected by where you were born? Odds of being born at all are already miraculously small, but only one in ten of us…

Maximilian Leo Hirn, Aude-Sophie Rodella |

Photo: Sinkdd/Flickr For many countries, damages and losses related to transport are a significant proportion of the economic impacts of disasters, often more than destruction to housing and…

Shanika Hettige, Shoko Takemoto, Robert Lucas |

Many people were bitterly disappointed when four cases of wild polio were discovered in August 2016 in insecure areas of Borno State in the northeast of Nigeria. Nigeria had gone for almost two…

Mayowa Oluwatosin Alade, Benjamin Loevinsohn, Ayodeji Oluwole Odutolu |

A new study finds that child marriage could cost developing countries trillions of dollars by 2030, with the largest economic cost coming from its impact on fertility and population growth.…

Quentin Wodon, Suzanne Petroni |

Eliminating inequality is integral to the Sustainable Development Goals , from ‘universal access’ to water, to ending poverty ‘everywhere’. Yet in a world where the politics of who gets what is…

Nathaniel Mason |

In East Africa and West Africa, about 300 million people living in dryland areas rely on natural, resource-based activities for their livelihood. By 2030, this number could increase to 540 million…

Magda Lovei |

The Joint Secretariat of High Level Panel on Water and Connect4Climate announced today that the winner of the Instagram Photo Competition — #All4TheGreen Photo4Climate Contest Special Blue Prize…

Water Communications |