title: A paler shade of green.
mesh_terms: D057231:Climate Change; D058735:Environmental Policy / Q000191:economics* / Q000331:legislation & jurisprudence*; D035082:Federal Government; D006801:Humans; D010126:Ozone / Q000032:analysis; D011057:Politics; D011634:Public Health; D014481:United States; D014484:United States Environmental Protection Agency / Q000331:legislation & jurisprudence
chemical_list: D010126:Ozone