Public policy toward environment 1973: a review and appraisal. Special regions.
D000413:Alaska; D000864:Antarctic Regions; D001110:Arctic Regions; D003081:Cold Climate; D003889:Desert Climate; D004777:Environment; D004787:Environmental Pollution / Q000517:prevention & control; D005843:Geography; D006077:Government Agencies; D007221:Industry; D007878:Legislation as Topic; D009688:Nuclear Reactors; D010578:Petroleum; D012939:Social Planning; D014481:United States; D014867:Water
D010578:Petroleum; D014867:Water