The author assume that the land Greenspace, Incwanted to develop is a home of animals and plants. However there is no specific information to support this assumption.
2/ assumption: constructing a park in on the outskirts of River City will bring pollution rather than improve the environment of the River City.
3/ irrational appeals: 不理智的呼吁。
There is no evidence to prove the suggestion that consumers should refuse to purchase products of M company to force it to abandon the project is the best way to solve current environment problems.