易学

.Second，itadvocatesthatpeopleshouldbeconcernedaboutnatureandopposeswastingordestroyingnaturalresources.Finally，itdescribesanidealsocialblueprint“HappinessinEcology”whichexpressestheharmoniousrelationshipbetweenhumanbeingsandnature.Undoubtedly，allthesethoughtsrevealsignificanttheoreticalvalueastosolvetheworldwideecologicalcrisis.

Keywords:ecologicalethics，theideaofbeingconcernedabouttheecology，theunitybetweenmankindandnature