Question

Problem 4. Using the following estimates for the US and assuming that growth rates remain constant, Energy Use Per Capita Carbon per Energy Population (kJ/yr)/Person kg C/kJ 1990 amounts 250

х 106 320х 106 15 x 10-6 Growth, r (%/year) 0.6 0.5 -0.3 A. Find the carbon emission rate in 2020. B. Find the total carbon emitted during those 30 years. D. Find the per capita carbon emissions in 2020. C. Find the total energy demand in 2020.

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