Invasive species can threaten the delicate balance of an ecosystem, resulting in tremendous ecological and economic damage. And once they have invaded, it is much more difficult to control […]
Toxic chemicals and garbage are two other problems of heavily populated areas around the Great Lakes: toxins such as mercury and polychlorinated biphenyls (PCBs) have been found in fish and […]
The problem of excess nutrient comes primarily from fertilizer runoff from farming which contains phosphorous—this feeds cynobacteria, a type of algae, and causes their growth and spread. The excess algal […]
http://waterlife.nfb.ca/#/ This is an amazing story of the history and decline of The Great Lakes, our most precious resource for freshwater. Click on the link to view this masterpiece.