1.	Kde se neucházejí

2.	Podoba jezer před dlouhou dobou

3.	Vliv jezer na životy lidí v jejich okolí

4.	Lidská závislost na vodě z Velkých jezer

"Naturally, such large bodies of moving water greatly affect the lives of people living near them, as well as all parts of the natural environment: weather, climate, wildlife, agriculture and native plants trees. Biologists have already identified some 6,000 species living along just the St. Lawrence River. Scientists think that there could be a total of 27,000 different species there.

Today, 43 million people depend on their water for survival. Yet, in addition to the usual environmental threats."