Which of the following statements about sustainability is false?

we could make all of our industrial processes sustainable if we could transform linear processes into circular ones.

the u. s. rate of consumption is not sustainable; if the world population consumed as much as the average u. s. citizen, we would need over six earths.

in its current form, mainstream economics is the optimal model for building sustainability because external costs are built in.

technology can be used to promote sustainability and decrease human environmental impact.