The frequency of high-tide flooding has doubled in 30 years. Some cities faced more than 20 days of it in the past year, and not just during hurricanes.

By century's end, rising sea levels will turn the nation's urban fantasyland into an American Atlantis. But long before the city is completely underwater, chaos will begin

Sea level rise will affect the Bay Area. A new study by UCS projects when will flooding happen regularly, and what areas will affect to help communities prepare for the changes to come.

Single-family homes near sea level in Miami-Dade County are increasing in value at a slower rate than ones at elevation, according to a new research study