Adam Yamaguchi explores how big farmers in Iowa produce far more pig waste than the environment can handle. As a result, the waste is getting into the waterways and may be impacting residents' health.

Adam Yamaguchi explores how big farmers in Iowa produce far more pig waste than the environment can handle. As a result, the waste is getting into the waterways and may be impacting residents' health.

Adam Yamaguchi reports from the Florida coasts, where breakneck development, climate change and too much waste are creating a perfect environmental storm.

Adam Yamaguchi reports from the Florida coasts, where breakneck development, climate change and too much waste are creating a perfect environmental storm.

Adam Yamaguchi visits Mt. Vernon, N.Y., a town in the shadow of New York City, surrounded by wealth, and overwhelmed by a decrepit sewage system that threatens to swallow it whole.

Adam Yamaguchi visits Mt. Vernon, N.Y., a town in the shadow of New York City, surrounded by wealth, and overwhelmed by a decrepit sewage system that threatens to swallow it whole.

Adam Yamaguchi reports on parts of the country where a basic sanitation infrastructure is out of reach for tens of thousands of residents forcing them to live near raw sewage.

Adam Yamaguchi reports on parts of the country where a basic sanitation infrastructure is out of reach for tens of thousands of residents forcing them to live near raw sewage.