Thousands of US dams may be unprepared for extreme rain

Many dams in the US were designed decades ago using estimates of precipitation based on outdated science – and that makes them more vulnerable to warming-driven extreme weather

​Many dams in the US were designed decades ago using estimates of precipitation based on outdated science – and that makes them more vulnerable to warming-driven extreme weather Many dams in the US were designed decades ago using estimates of precipitation based on outdated science – and that makes them more vulnerable to warming-driven extreme weather