Climate Central’s new rising sea levels report and maps show how flooding would look across major landmarks and cities in 2030. NBCLX Storyteller Chase Cain breaks down the report, which parts of the world would be worst-hit by sea water, and what leaders need to do before 2030 to prevent the worst projected outcomes.

New York’s Fire Island has a storied history as a summer haven for the LGBTQ community. But today, its future is at risk as accelerating sea level rise driven by climate change is forecast to put much of the community underwater within decades. As more communities across the U.S. are threatened by flooding and wildfires, the country faces a question:...