Chicago's Deep Tunnel: Is it the solution to urban flooding or a

The Secret $4BN Tunnel Network Under Chicago

Thinking Big About Sewage, Chicago News

Chicago's Deep Tunnel: Is it the solution to urban flooding or a cautionary tale?

Chicago built deep tunnels to control flooding : r/chicago

New Green Infrastructure Mitigates Stormwater Runoff - Urban Land Magazine

Chicago Flood Mitigation Scrambles to Keep up With Climate Change

McCook Reservoir promises cleaner water - Metropolitan Planning Council

Weekend Storm Overwhelms Chicago's Sewer, Deep Tunnel System, Chicago News

Charting a Safer Course: Mitigating flood risk in Great Lakes states

Chatham's Urban Flooding by the Numbers