![](https://assets.weforum.org/article/image/kSzU_w6wJccKmk6-RHJt4trWLowradAHwx-xv-OzhCc.jpg)
Urban Transformation
These eco-friendly, affordable housing settlements around the world are under threat
1 billion people worldwide currently live in slums - this is expected to reach 3 billion within the next 30 years. Is 'development' really helping them?