Story by Allison Osberg
When it rains heavily in a big city, what happens to the water tells a larger story about resources and pollution.
The Natural Resource Defense Council has released a report that profiles 14 North American cities and their different approaches to solving the problem of storm water runoff.
A recent shift toward green infrastructure has helped promote the idea of catching water where it lands and using it as a resource rather than treating it as a burden to be redirected into sewers.
Allison Osberg reports.
Read NRDC's "Rooftops to Rivers II" here