Minnesota Public Radio: In Duluth, city workers have replaced 8-foot culverts wiped out in a 2012 storm with two sections 10 feet wide, more than doubling their capacity.
In Minnetonka, the city is creating computer models to see where increased rainfall is putting the most pressure on its stormwater system.
In north Minneapolis, a street has been torn out to make room for huge tanks that can store stormwater and prevent it from overwhelming the city's system that drains into the Mississippi River.
In all three...