EPA Journal, Volume 16; Volume 19

acid rain Administrator Agency agricultural American areas assessment atmosphere cancer CFCs chemicals chlorofluorocarbons Clean Air Act climate change concerns Congress conservation consumers contamination costs crops decade developing countries Earth Day ecological economic ecosystems efficiency efforts emissions energy environment environmental issues environmental problems environmental protection EPA Journal EPA's estuary example farmers federal fish food safety forests fuel funding global warming goals Greenhouse Effect Greenhouse gases growth Gulf of Maine hazardous waste human impact improve increase industry Lakes land laws levels major methane million Montreal Protocol natural nuclear organizations ozone ozone depletion percent pesticide residues pests plants political pollution prevention population potential production recent recycling reduce refrigerator region regulations regulatory require response result risk river scientists sources species standards Superfund technologies tomatoes toxic United West Germany wetlands wildlife