I've been thinking a lot lately about what the world will look like when my kids grow up. We're already seeing record heat waves, stronger storms, and cities struggling with water shortages. So I ...

Half of 20 large Japanese cities, each with at least over 700,000 residents, have experienced a population decline compared ...

How cities expand will have major consequences for residents' access to clean water and sanitation, according to a new study that analysed over 100 cities across Asia, Africa, and Latin America.