42nd Street in Manhattan, New York

Could More Urban Trees Mitigate Runoff and Flooding?

With climate change comes more flooding. As cities confront the risks and potential damages, trees could become even more important.
A Spongey Lower Manhattan

How to Build a City That Doesn’t Flood? Turn it Into a Sponge City

Cities encourage potentially devastating floods by laying down asphalt and pavement. Could this be avoided by making them "spongier" and more absorbent?