This Is The Problem With Yang in Society, Environment, Government, Politics Posted December 31, 2019 · Edited December 31, 2019 by RichardY If a UBI taxes the underlying economic value i.e "The Farm" (But, not it's infrastructural assets, example quality of land & community provided utilities.) . Through a land value tax, Well and good. The environment can only support so many people.... If it taxes economic activity i.e the produce of the farm, total disaster.