Spindly aquatic algae, once foul-smelling icons for Great Lakes pollution, are back. During the depths of the lakes' environmental troubles in the 1960s and '70s, the algae's population exploded. Vast clumps piled up on beaches, looking like untreated sewage and smelling like a pig farm.
http://www.csmonitor.com/2006/0330/p14s01-sten.html
Posted by Dave at March 30, 2006 07:11 AM