Joe Parisi, who runs Dane County, says these have spurred the county into working on new measures with the Madison metropolitan sewerage district.

ECONOMIST: Nutrient pollution

Gurgaon, a business district near Delhi, has plenty of glass towers but falls short on sewerage and power supplies and is only slowly acquiring public transport.

ECONOMIST: Cities

At the heart of the scheme was corruption in municipal contracting, mostly centering on the Detroit Water and Sewerage Department, said Barbara McQuade, U.S. attorney for the Eastern District of Michigan.

CNN: Ex-Detroit Mayor Kilpatrick convicted in corruption case

Following the incident, Laura Sandys, Conservative MP for South Thanet, said the sewerage system was not "fit for purpose" and she would be meeting Southern Water and Thanet District Council.

BBC: Margate