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 |

[[tweetable]]How fast is your city growing? The answer may depend on where you live.[[/tweetable]] There are the booming megacities such as Tokyo, Mumbai, and Nairobi. Then there are cities that…

Ede Ijjasz-Vasquez, Paula Restrepo Cadavid |

Also available in: Русский Two years ago, I visited a village in Rudaki, a hilly district located to the south of Dushanbe, Tajikistan. It lies about forty kilometres from the capital, but it…

Emcet O. Tas |

Entering data. Photo: World Bank In the fiscal transparency arena, people often hear two conflicting claims. First, governments complain that few people take advantage of fiscal information that…

Paolo de Renzio, Massimo Mastruzzi |

Turkey is a transcontinental country, with territory contiguously spanning two continents. It is bordered by eight countries and is circled by sea on three sides. The international airport in…

Prof. Dr. Recep Akdağ |

This satellite image shows Sao Paolo's estimated “urban areas” based on a WorldPop gridded population layer. Areas in yellow are areas with at least 300 people per km2 and a known settlement…

David Mason |

Editor's Note: Join us April 22nd at 10AM ET for the 2017 Global Infrastructure Forum when the Multilateral Development Banks (MDBs), the United Nations, the G-20, and development partners…

Matthew Jordan-Tank, Vamsee Kanchi |

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 |