By Karen Schaffer for ideastream®
Next week Cleveland will host hundreds of scientists, environmental advocates, and public officials gathering to discuss new and ongoing threats to the Great Lakes – from Asian carp to toxic hotspots. Great Lakes Week also will focus on blue-green algae that can kill fish, make people sick, and wreak havoc for tourism. Yesterday, independent producer Karen Schaefer reported on what scientists agree is the main source of the algae problem – farms. Today she examines another major source – cities.