title: Introduction to the regulatory/policy/economics section.
authors.forename: William F
authors.initials: WF
authors.lastname: Hunt
mesh_terms: D004777:Environment; D004785:Environmental Pollutants / Q000191:economics*; D017752:Greenhouse Effect; D011050:Policy Making; D012106:Research / Q000639:trends
chemical_list: D004785:Environmental Pollutants