A Unit Eight Saving Nature. But Only for Man Text Stucture Parts Paragraphs Main ldeas It is important to distinguish between environmental necessities and One environmental luxuries and apply the fundamental principle of sensible environmentalism a sensible environmentalism does not y sentimentalize the earth Three 70-85 Man is the master of nature Book two English teaching plan of cuit 2Book two English teaching plan of cuit 2 Unit Eight Saving Nature. But Only for Man Text Stucture Parts Paragraphs Main Ideas One 1—32 --It is important to distinguish between environmental necessities and environmental luxuries and apply the fundamental principle of sensible environmentalism. Two 32--99 A sensible environmentalism does not sentimentalize the earth. Three 70-85 Man is the master of nature