If you’ve successfully flushed a toilet recently, then you appreciate (at least subconsciously) the workings of a good sewer system. Waste disappears, no matter what time of day or night, or what the weather’s like.
But weather is actually a challenge for a sewer system, especially precipitation. That New York City’s sewers can handle the waste of more than 8 million residents on a daily basis—plus the occasional downpour or major storm like Hurricane Irene—is a testament to its resilience.
To read the full, original article click on this link: Can Cities Be Both “Resilient” and “Sustainable”? | Observations, Scientific American Blog Network
