The ohio river is the answer
Not recycling/agricultural waste, oil spills, population growth, use of fertilizer/pesticides
For geothermal energy
-Pros: No cost fluctuations determined by gas and oil prices.
-Cons: Fewer installers than standard HVAC and thus less competition.
For hydroelectric
-Pros: Facilities can affect land use, homes, and natural habitats in the dam area
-Cons: Hydropower does have environmental impacts.
Most part of the rest of North America is cold in the winter and warm in the summer, with moderate precipitation. Some areas have mild winters and long, hot summers and others have harsh winters and short summers