title: Two steps forward on environmental justice.
authors.forename: P E
authors.initials: PE
authors.lastname: Johnson
mesh_terms: D004781:Environmental Exposure / Q000517:prevention & control*; D004782:Environmental Health / Q000331:legislation & jurisprudence*; D005006:Ethnicity; D006801:Humans; D012959:Socioeconomic Factors; D014481:United States; D014484:United States Environmental Protection Agency