The world is urbanizing at an unprecedented speed and scale, with more than half the global population living in cities today… rising to nearly 7 out of 10 people in cities by 2050.

Sameh Wahba |

According to the World Bank’s What a Waste 2.0 report, waste generation is expected to grow by 70% by 2050, while our global population is expected to grow at less than half of that rate.

Sameh Wahba, Silpa Kaza, Kremena M. Ionkova |

City leaders will gather again at the Urban 20 Mayors Summit in Tokyo, Japan, to continue their conversations and further unlock cities’ tremendous potential in driving inclusive, resilient, and…

Ede Ijjasz-Vasquez, Horacio Cristian Terraza |

Urbanization is a defining phenomenon of our time, with an estimated 80% of global economic activity now generated in cities and an increase of two billion city residents, globally, between 2000…

Sameh Wahba, Valerie-Joy Santos, Rodica Tomescu-Olariu |

Photo credit: Dong Kyu Kwak, World Bank Security of land tenure is directly linked to poverty reduction, economic growth, improved resilience, environmental sustainability, and social stability.…

Dongkyu Kwak |

In the summer of 1742, two typhoons swept across Japan in quick succession, bringing torrents of heavy rain and flooding major rivers. Records from a young monk who witnessed the floods describe a…

Jolanta Kryspin-Watson, Jia Wen Hoe |

As the world rushes to reduce the negative impacts of climate change, ambitious sub-national actors are rising to the fore. The recent One Planet Summit exemplifies this trend. Earlier this month…

Prashant Kapoor, Marc Forni |

By 2050, waste generation is projected to increase by 70 percent and drastically outpace population growth by more than double. Managing all that waste is becoming an important agenda for many…

Sameh Wahba, Frank Van Woerden, Kremena M. Ionkova |

More than 1, 000 years. That’s how long recent estimates suggest it would take in some developing countries to legally register all land – due to the limited number of land surveyors in country…

Linus Pott |

Photo: The central square of the old town. Brasov. Transylvania. By Ann Stryzhekin/ Shutterstock When U.S. Commodore Matthew Perry arrived in Yokohama in 1854, it was a backwater village in Japan…

Marcel Ionescu-Heroiu, Yuko Okazawa |