It's due to resource consumption per individual, multiplied by the number of individuals. Since multiplication is commutative, both terms are equally at fault.

It's due to resource consumption per individual, multiplied by the number of individuals. Since multiplication is commutative, both terms are equally at fault. But since we have ample time left to change our lifestyles and societies to be more eco-friendly, there's no harm in ignoring one half of the causes, right? Edit: To clarify, the half that is being ignored is the number of people, in the people times consumption per capita equation.