Smith counters that if you factor in the hidden cost of government corn subsidies, environmentdegradation, and decreased human health and animal welfare, grass-fed is the more cost-effective model.
The second part is the theory analysis that the environmentdegradation and the green tax revenue.
第二部分是环境退化与绿色税收的理论分析。
3
Resources and environment are essential to survive of human being. However, coal fire results more lose of natural resources and environmentdegradation.