
Great Lakes Champions
Grassroots Efforts to Clean Up Polluted Watersheds
2022 m.
Minkštas viršelis
Kuvaus
The Great Lakes—containing one-fifth of the standing freshwater on earth, covering some 94,250 square miles with a combined 10,210 miles of shoreline—have suffered greatly from human use and abuse since the advent of the commercial fur trade in the late 1600s.
