A hinge of history--health and environment.
D000397:Air Pollution / Q000517:prevention & control; D004496:Education, Continuing; D004782:Environmental Health; D004787:Environmental Pollution / Q000517:prevention & control; D006801:Humans; D007878:Legislation as Topic; D009678:Nuclear Energy; D010575:Pesticides; D012037:Refuse Disposal; D012106:Research; D014481:United States; D014876:Water Pollution / Q000517:prevention & control
D010575:Pesticides