World Economic Forum cover image

UN Water Conference: the entrepreneurs on a mission

World Economic Forum

00:00

Green Infrastructure in Urban Centers

70% of a city is hard surfaces. The majority of that is building rooftops and particularly residential rooftops, which is about 47% of the gross and permeable area in the city. So when we take rooftops offline by harvesting the rain and reusing it or putting it back in the groundwater table, we are recharging the base ground flow that urban rivers no longer get because the city is so impervious. And what's important about it is that surface water pollution is the number one threat to freshwater ecosystems globally.

Transcript
Play full episode

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app