What factors increased americans concerns about environmental issues during the 1960s and 1970s

Concern pertaining to air and water pollution, waste disposal, dwindling energy resources, and pesticide use increased Americans' concerns about environmental issues during the 1960s and 1970s and resulted in widespread public support for environmental issues. This became clear during the first Earth Day demonstration.

They started to realize that pollution and overconsumption were damaging the enviroment.  

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