Here's How Much It Would Cost to Build Seawalls Around Vulnerable U.S. Cities
People sit on a seawall after Hurricane Harvey in Galveston, Texas, in August 2017. (BRENDAN SMIALOWSKI/AFP/Getty Images) At a Glance A new study looks at the costs of building 50,000 miles of seawalls in 22 states.The study notes that seawalls aren't the answer for every community.The question remains of who will pay to protect cities from climate change. As global warming continues to fuel climate change and rising sea levels, cities and entire countries are grappling with how to protect...