Last summer, Chennai became the world’s first major city in which there was no water for residents to drink. But, as climate change makes flooding and drought more common, the city of 8 million is unlikely to be the last to run dry.

10,000 Midland County, Mich., residents were forced to leave their homes when heavy rains May 19 and 20 swelled the Titabawassee River to a record high and caused the Edenville and Sanford dams to fail.

Record rainfall for May has left Chicago's tunnel and reservoir filled to capacity, and operations to send the water into Lake Michigan didn't immediately work due to high water levels and flooding.

The U.S. Army Corps of Engineers is facing the challenges of a changing climates, the demands of river commerce in a changing economy and the needs of the other agencies it acts as a developer for simultaneously.

Contest brings worldwide brain power to resilience in Asia

Stormwater issues literally come with the territory in Virginia Beach, Va. Almost entirely surrounded by water and permeated with creeks and marshes, Virginia’s most populous city has long coped with flooding across its 310 sq miles, particularly during hurricanes and other major rain events.

Flooding has plagued Midwest towns and cities along the Mississippi River for most of the year, and only now are officials in some towns considering ways to mitigate future flood events.