Wilhemina proposes a very simple argument using this formula:
P * S * E * C = CO2
Where:
P = Number of People in the world
S = Services consumed per person
E = Energy consumed per service
C = CO2 Produced per unit energy.
CO2 = Total Global CO2 Production
https://buildingenergy.cx-associates.com/bill-gates-environmental-math-and-getting-to-zero-co2
