Index - U

United Nations
     Commission on Sustainable Development (CSD), 11
     Earth Summit of 1992, 11, 38
     Stockholm Conference, 9-10

United States
     acid rain assessment, 138
     coastal erosion, 181
     forests, 171-176, 171f, 173f, 175-176
     fuel economy standards, 89-91
     geothermal energy, 201-202, 202f
     global warming policy, 35-38
     grasslands, 173f
     logging, 186
     motor vehicle ownership, 86-87, 87f
     North American Free Trade Agreement (NAFTA), 11-12
     northwest forests, 175
     ozone-depleting chemical emissions, 49-50
     trash generation, 59, 60
     water issues in the western U.S., 108-109
     water supply issues, 118
     wetlands loss, 178-179, 179f
     wildfires, 172, 174f
     wind energy, 203-204, 204 f

United States of America v. Philip Morris Inc., et al., 161

Uranium, 70

Urban runoff, 111, 111f, 113

U.S.-Canada 2000 Air Quality Agreement Progress Report (EPA), 138

U.S. Climate Action Report—2002, 37-38

U.S. Organic Farming in 200-2001: Adoption of Certified Systems (Greene and Kremen), 165-166

The U.S. Climate Change Science Program: Vision for the Program and Highlights of the Scientific Strategic Plan, 38

Used goods, 58-59

Utility companies
     acid rain allowance trading, 137
     deregulation, 98