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 |

Allô École! training for parents, primary school, Tshikapa, DRC. (Photo: Ornella Nsoki / Moonshot Global,  Sandra Gubler / Voto Mobile Inc.,  Samy Ntumba / La Couronne) Mobile solutions for better…

Maria Amelina |

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 |

Governments spend a lot of money to contain violence. [[tweetable]]In 2015, some $1.7 trillion was spent on defense by governments worldwide[[/tweetable]] . While the primary responsibility for…

Ede Ijjasz-Vasquez, Bernard Harborne |

Globally 2.9 million people died from household air pollution in 2015, caused by cooking over foul, smoky fires from solid fuels such as wood, charcoal, coal, animal dung, and agricultural crop…

Ernesto Sanchez-Triana, Bjorn Klavdy Larsen |