Index - N

NAAEC (North American Agreement on Environmental Cooperation), 12

NAFTA (North American Free Trade Agreement), 11-12

NAPAP (National Acid Precipitation Assessment Program), 134, 135, 136

NASA (National Aeronautics and Space Administration), 16-17

National Acid Precipitation Assessment Program Biennial Report to Congress: An Integrated Assessment (National Acid Precipitation Assessment Program), 138

National Acid Precipitation Assessment Program (NAPAP), 134, 135, 136

National Aeronautics and Space Administration (NASA), 16-17

National Air Toxic Assessment, 86

National Ambient Air Quality Standards levels, 85(f5.17)

The National Biennial RCRA Hazardous Waste Report (EPA), 54

National Invasive Species Council, 184

National Parks, 80, 180

National Petroleum Reserve in Alaska (NPRA), 187-188, 188f, 189, 190f

National Priorities List (NPL), 65-68, 67t

National Resources Defense Council (NRDC), 170

National Water Quality Inventory (EPA), 110-113

Natural resources
     economic value of, 169
     erosion, 180-182
     international issues, 189
     irrigation, 182
     land use, 181f
     minerals and oil, 187-189, 190f
     mountains, 179-180
     population growth and, 3
     public opinion, 189, 189t, 190f, 190t
     tropical rain forests, 170-171
     U.S. forests, 171-176, 171f, 172f, 173f
     wetlands, 176-179
     wildlife, 184-187

Nature Conservancy, 176

Nevada, 71-73, 73f

New Mexico, 71, 72f

Newness and trash generation, 59

Nicotine, 161

Nitrates, 122, 129-130, 150

Nitrogen dioxide, 77-78, 78(f5.6), 79(f5.7), 130, 137-138

Nitrous oxide, 32, 36f, 37f

Noise Control Act, 163

Noise pollution, 162-163

Nonhazardous industrial wastes, 57-58, 57(f4.3)

Nonpoint water pollution sources, 116

North American Agreement on Environmental Cooperation (NAAEC), 12

North American Free Trade Agreement (NAFTA), 11-12

North Carolina, 176, 181

Northwest United States, 175, 186

NPRA (National Petroleum Reserve in Alaska), 187-188, 188f, 189, 190f

NRDC (National Resources Defense Council), 170

Nuclear waste
     federal repositories, 71-74
     Hanford radioactive waste leak, 73-74
     high-level radioactive waste, 70
     low-level radioactive waste, 68-70, 69(4.13)
     plutonium, 70-71
     spent fuel, 70
     Nutrients, 112, 113f, 133f