At the end of July, the Union of Concerned Scientists released a report showing sea level rise could bring disruptive levels of flooding to nearly 670 coastal communities in the U.S. by the end of the century.

This national analysis identifies when US coastal communities will face a level of disruptive flooding that affects people's homes, daily routines, and livelihoods. It identifies hundreds of communities that will face chronic inundation and possible retreat over the coming decades as sea levels rise.

Along with the report, UCS published an interactive map tool that lets you explore when and where chronic flooding–defined as 26 floods per year or more–will force communities to make hard choices. It also highlights the importance of acting quickly to curtail our carbon emissions and using the coming years wisely. Many communities have 20 years or less to prepare before rising seas begin to regularly impact homes, neighborhoods, and families. Other communities are already facing this disruptive reality.