Climate change challenges sinking city of Venice

Climate change challenges sinking city of Venice More

The Italian city of Venice is prone to frequent flooding because it has sunk five inches over the last century, but now it is also grappling with sea-level rise, caused by climate change, which increases the severity. NewsHour Weekend Special Correspondent Christopher Livesay reports on the risks, and Italy's plans to mitigate them, as part of our series “Peril and Promise,” on climate change.

AIR DATE 7/23/17