Or just get rid of the lawn, beef, the 'great room', and 95% of cars (and keep the rest for 30 years). Then make the electronics last at least 5 years, and you'

Or just get rid of the lawn, beef, the 'great room', and 95% of cars (and keep the rest for 30 years). Then make the electronics last at least 5 years, and you're well past target.