Harvey and Houston: A disaster waiting to happen?

The disaster in Texas has exposed gaping holes in how cities plan for disaster. Houston’s system in place to mitigate flooding was already pushed to the limit. And urban sprawl has eaten up wetlands that would have soaked up much of the rain that Harvey delivered. Eric Sorensen explains how city planning – or a lack of it – got Houston where it is.

• Houston morgue pushed to near-capacity by Hurricane Harvey flooding