A detailed map of the Kibera slum in Nairobi, Kenya. Open Street Map Amateur mappers the world over have long known that they can support global development, from the comfort of their homes,…

Charles Fox, Benjamin Stewart |

  About 17 years ago, I began preparations for applying to colleges in America. One of the prerequisites to qualify for an undergraduate program was the Test of English as a Foreign Language (…

Sara Sultan |

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 |

Also available in: Arabic | French | Spanish Rows of solar panel at a thermo-solar power plant in Morocco. (Photo: Dana Smillie / World Bank)Over the past several years much has been written about…

Sameh Mobarek |

Driving across the Danish countryside, they cannot be missed: towering white wind turbines as far as the eye can see, their slow-turning blades providing a 21st century counterpoint against the…

Nicholas Keyes |

It’s been clear here at the World Energy Summit in Abu Dhabi that the International Renewable Energy Agency, or IRENA, is fast emerging as a leader in forging a more sustainable energy future.…

Vivien Foster |