The idea of payments that are based on verifiable results is well accepted in both the public and private sectors. It has different nuances and nomenclatures, such as “pay for success” or “…

Maitreyi Bordia Das, Sameh Wahba, Zaruhi Tokhmakhyan |

Across the globe, COVID-19 is threatening cities and communities, endangering not only public health, but also the economy and the fabric of society.

Sameh Wahba, Maimunah Mohd Sharif, Mami Mizutori, Lauren Sorkin |

Not only is the coronavirus pandemic (COVID-19) having serious health impacts around the world, it also has the potential to significantly affect the housing, land, and property (HLP) of women and…

Victoria Stanley, Paul Prettitore |

Images of Earth taken at night are revolutionizing our ability to measure and understand nearly every dimension of human activity on Earth and allow us to get a glimpse into human-Earth…

Steven Rubinyi, Ran Goldblatt, Hogeun Park |

Simultaneously a health crisis, social crisis, and economic crisis, COVID-19 is laying bare how well cities are planned and managed. Its impact is showing the extent to which each city is able to…

Sameh Wahba, Jan Vapaavuori |

Across the globe, well-functioning cities do one thing really well – they bring people together. Social and economic interactions are the hallmark of city life, making people more productive and…

Somik Lall, Sameh Wahba |

Making a link between a city’s density and its vulnerability to epidemics may seem like an obvious connection. But it may, in fact, be off the mark.

Wanli Fang, Sameh Wahba |

Waste management is an invaluable public health service, especially during the current coronavirus pandemic (COVID-19). Those of us privileged enough to have formal or informal waste management…

Silpa Kaza |

Disasters triggered by natural hazards can strike at a moment’s notice, with devastating consequences on people, infrastructure, assets, and entire economies. And the coronavirus pandemic (COVID-…

Sameh Wahba, Alanna Simpson, Ana Campos Garcia, Joaquin Toro |

As the world struggles to fight the unprecedented COVID-19 pandemic, over 2 billion people still do not have access to a toilet, and hundreds of millions of people cannot even wash their hands at…

Luis Triveno, Olivia Nielsen |