Sophia - Environmental Science - Unit 1 Challenge 3. 1 — The Impact of Population Growth: Environmental Effects Identify environmental effects associated with given impacts of human population growth. An increased need for water has resulted in __________. • a.) over-reliance on government agencies • b.) depletion of non-renewable fuel sources • c.) multiplied species populations • d.) freshwater and groundwater pollution 2 — The Impact of Population Growth: Projections R...