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During recent years , the federal and many state governments have legislated substantial tax breaks and grants for middle-class families . What about cases where the benefit is not saving human lives , but achieving some other environmental goal ? In a classic article published in 1968 , Garrett Hardin argued that most environmental problems stem from a single cause : the misuse of resources that are owned in common.3 Since the air , the water , most species of mammals and fish and public lands have no private owners , they have no protectors or defenders . Their moms were spoiling them further with Edy 's ice cream , which servers doled out in heaping scoops . Belgian-style ales from Ommegang and English beers from Samuel Smith are available in large bottles .