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Environmental policies (21 - 30 of 572 items)

Air Pollution

Air Quality, Visibility, and the Potential Impacts of Coal-Fired Power Plants on Great Basin National Park, Nevada
GAO-09-788R, Jul 27, 2009

Hardrock Mining

Information on State Royalties and the Number of Abandoned Mine Sites and Hazards
GAO-09-854T, Jul 14, 2009

Clean Air Act

Preliminary Observations on the Effectiveness and Costs of Mercury Control Technologies at Coal-Fired Power Plants
GAO-09-860T, Jul 9, 2009

Aviation and Climate Change

Aircraft Emissions Expected to Grow, but Technological and Operational Improvements and Government Policies Can Help Control Emissions
GAO-09-554, Jun 8, 2009

Climate Change

Observations on Federal Efforts to Adapt to a Changing Climate
GAO-09-534T, Mar 25, 2009

Environmental Protection Agency

Major Management Challenges
GAO-09-434, Mar 4, 2009

Hardrock Mining

Information on Types of State Royalties, Number of Abandoned Mines, and Financial Assurances on BLM Land
GAO-09-429T, Feb 26, 2009

Chemical Regulation

Options for Enhancing the Effectiveness of the Toxic Substances Control Act
GAO-09-428T, Feb 26, 2009

Clean Air Act

Historical Information on EPA's Process for Reviewing California Waiver Requests and Making Waiver Determinations
GAO-09-249R, Jan 16, 2009

Natural Resources and Environment

Recent Actions by the Chesapeake Bay Program Are Positive Steps Toward More Effectively Guiding the Restoration Effort, but Additional Steps Are Needed
GAO-08-1131R, Aug 28, 2008

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