More than 120 U-S and Canadian mayors say coastal damage from climate change will cost more than $2 billion over the next five years.
High water levels on the Great Lakes and more severe storms are to blame.
Wisconsin shoreline communities report they spent $86 million over the last two years.
The Great Lakes and St. Lawrence Cities Initiative conducted a study showing damage to infrastructure like a loss of beaches, damage to buildings, heavily damaged private homes and parklands.
They are asking Congress for $2 billion to be earmarked for the growing problem.
