Or use the "Downsizing" (Matt Damon movie) approach: reduce humans in size so as to inherently consume fewer resources. For example, use growth inhibitors to k

Or use the "Downsizing" (Matt Damon movie) approach: reduce humans in size so as to inherently consume fewer resources. For example, use growth inhibitors to keep people stunted at, say, one meter in height. If applied to every baby today, would eliminate the need for billions of tons of carbon emissions, meat consumption, cultivated land, etc., after about 15-20 years.