9. Use the calculator on the Sustainable World Initiative website (http://swinitiative.com

/calculator/) to find a combination of the four factors of population, lifestyles, energy mix, and agricultural productivity that result in a sustainable world. Do so by adjusting the sliders until the number of Earths required to support the human population in 2050 decreases to 1.0. Record the values of the four factors in the following table:

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Factor Projected population growth rate Projected change in average living standards (per capita ecological footprint) (%) Clean energy implementation (%) Agricultural yield changes (%) Value