Air pollution control (41 - 50 of 128 items)
Air Pollution: Air Quality and Respiratory Problems in and Near the Great Smoky Mountains
GAO-01-658: Published: May 25, 2001. Publicly Released: May 25, 2001.
Concerns have been growing about the air quality, visibility, and respiratory illnesses around the Great Smoky Mountains National Park, which straddles the border between North Carolina and Tennessee. This report analyzes recent trends in and contributing factors to (1) visibility impairments, (2) ground-level ozone, and (3) respiratory illnesses. This report also examines the Tennessee Valley Aut...
Aviation and the Environment: Airport Operations and Future Growth Present Environmental Challenges
RCED-00-153: Published: Aug 30, 2000. Publicly Released: Sep 11, 2000.
Pursuant to a congressional request, GAO reviewed the: (1) key concerns and challenges associated with airports' current operations and future growth--particularly concerns about aircraft noise, water quality, and air pollutant emissions--and the actions being taken by the nation's busiest airports to balance environmental concerns with such operations and growth; and (2) actions taken by the Fede...
Aviation and the Environment: Results From a Survey of the Nation's 50 Busiest Commercial Service Airports
RCED-00-222: Published: Aug 30, 2000. Publicly Released: Sep 11, 2000.
Pursuant to a congressional request, GAO reviewed key environmental concerns and challenges associated with airports' current operations and future growth and the efforts of major airports and federal agencies to address those concerns. GAO conducted a survey of the nation's 50 busiest commercial airports.GAO noted that: (1) the survey responses indicated that noise, water, and air quality issues...
Acid Rain: Emissions Trends and Effects in the Eastern United States
RCED-00-47: Published: Mar 9, 2000. Publicly Released: Mar 27, 2000.
Pursuant to a congressional request, GAO provided information on acid rain emissions trends in the eastern United States, focusing on: (1) sulfur dioxide and nitrogen oxides emitted into the air at the national level; (2) deposition in the eastern United States and in three environmentally sensitive areas; (3) sulfates and nitrates in lakes in the Adirondack Mountains and the prospects for the lak...
International Environment: Experts' Observations on Enhancing Compliance With a Climate Change Agreement
RCED-99-248: Published: Aug 23, 1999. Publicly Released: Sep 22, 1999.
Pursuant to a congressional request, GAO identified issues that could enhance compliance with the Kyoto Protocol or any climate change agreement, focusing on the: (1) clarity of the protocol's goals and procedures; (2) use of incentives that encourage compliance to supplement punitive measures to punish noncompliance; and (3) role of environmental and industry groups.GAO noted that: (1) three feat...
Air Pollution: EPA's Actions to Resolve Concerns with the Fine Particulate Monitoring Program
RCED-99-215: Published: Aug 12, 1999. Publicly Released: Aug 27, 1999.
Pursuant to a congressional request, GAO reviewed the National Academy of Sciences March 1998 report on the Environmental Protection Agency's (EPA) plans to monitor particulate matter smaller than 2.5 microns (PM2.5), focusing on: (1) EPA's actions in response to the Academy's concerns with the planned PM2.5 monitoring program; and (2) the challenges that state and local agencies face in establish...
Environmental Protection Agency: Regional Haze Regulations
OGC-99-53: Published: Jul 8, 1999. Publicly Released: Jul 8, 1999.
Pursuant to a legislative requirement, GAO reviewed the Environmental Protection Agency's (EPA) new rule on regional haze regulations. GAO noted that: (1) the rule calls for states to establish goals and emission reduction strategies for improving visibility in all 156 mandatory Class I national parks and wilderness areas; (2) specific provisions are included in the rule allowing nine western stat...
Air Pollution: The Border Smog Reduction Act's Impact on Ozone Levels
RCED-99-212: Published: Jul 1, 1999. Publicly Released: Jul 1, 1999.
Pursuant to a legislative requirement, GAO provided information on the Border Smog Reduction Act's impact on ozone levels and the impact of the North American Free Trade Agreement (NAFTA) on ozone in the San Diego, California, area, focusing on: (1) estimates of the act's potential impact on ozone-causing chemicals in the San Diego area; and (2) trends in commercial border traffic and ozone levels...
Environmental Protection Agency: Findings of Significant Contribution and Rulemaking on Section 126 Petitions for Purposes of Reducing Interstate Ozone Transport
OGC-99-49: Published: Jun 9, 1999. Publicly Released: Jun 9, 1999.
Pursuant to a legislative requirement, GAO reviewed the Environmental Protection Agency's (EPA) new rule on reducing interstate ozone transport of nitrogen oxides. GAO noted that: (1) in accordance with section 126 of the Clean Air Act, the rule contains EPA's final action on petitions filed by eight northeastern states seeking to mitigate significant transport of nitrogen oxides, one of the main...
Climate Change: Observations on the April 1999 Report on Climate Change Programs
T-RCED-99-199: Published: May 20, 1999. Publicly Released: May 20, 1999.
Pursuant to a congressional request, GAO discussed activities relating to climate change programs, focusing on: (1) the Energy Information Administration's report on federal expenditures for climate change activities; and (2) a limitation--set forth in the Environmental Protection Agency's (EPA) appropriations act for fiscal year (FY) 1999--that was designed to prevent the agency from taking speci...