This report provides background on regulatory requirements, controversies and legal challenges to mountaintop mining, and recent Administration actions. Congressional interest in these issues also is discussed, including legislation seeking to restrict the practice of mountaintop mining and other legislation intended to block the Obama Administration’s regulatory actions.

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This report provides background information on historical and current drilling practices in the Great Lakes, and statistics on oil and natural gas production by Canada and the United States, where data are available.

This report is about the A National Materials Policy and resolving some of its selected issues.

Report describing Carbon Capture and Sequestration (CCS), how it is supposed to work, why it has gained the interest and support of some members of Congress, and what some of the challenges are to its implementation and deployment across the United States.

This report provides an overview of selected issues related to the Deepwater Horizon incident and is not intended to be comprehensive.

This report summarizes provisions of selected legislation - enacted and proposed - that address oil spill policy issues raised after the April 20, 2010, explosion and resulting oil spill at the Deepwater Horizon drilling platform in the Gulf of Mexico. This report focuses primarily on oil spill policy matters that concern prevention, preparedness, response, and the liability and compensation framework.

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This report reviews past and proposed treatment of hydraulic fracturing under the Safe Water Drinking Act, the principal federal statute for regulating the underground injection of fluids to protect groundwater sources of drinking water. It reviews current provisions for regulating underground injection activities, and discusses some possible implications of, and issues associated with, enactment of legislation authorizing the Environmental Protection Agency to regulate hydraulic fracturing under this statute.

This report discusses the ongoing debate about whether or not to approve energy development in the Arctic National Wildlife Refuge (ANWR). Current law forbids energy leasing in the Refuge. This report addresses several legislative options on the issue, as well as policymakers' arguments for and against development, especially in the wake of increasing terrorism since 2000-2001.

This report discusses the ongoing debate about whether or not to approve energy development in the Arctic National Wildlife Refuge (ANWR). Current law forbids energy leasing in the Refuge. This report addresses several legislative options on the issue, as well as policymakers' arguments for and against development, especially in the wake of increasing terrorism since 2000-2001.

This report outlines the United Nations General Assembly's resolutions concerning international use of the ocean floor

This report discusses the natural gas supply chain that contributes to air pollution in several ways, including (1) the leaking, venting, and combustion of natural gas in the course of production operations; and (2) the combustion of other fossil fuel resources or other emissions during associated operations.

This report provides information on the natural gas industry and the types and sources of air pollutants in the sector. It examines the role of the federal government in regulating these emissions, including the provisions in the Clean Air Act and other statutes, and EPA's and other agencies' regulatory activities. It concludes with a brief discussion of a number of issues under debate, including: defining the roles of industry and local, state, and federal governments; establishing comprehensive emissions data; determining the proper control of pollutants and sources; understanding the human health and environmental impacts of emissions; and estimating the costs of pollution abatement.

This report focuses on selected legal issues related to the use of hydraulic fracturing.

This report provides an overview of Arctic-related issues for Congress and refers readers to more in-depth CRS reports on specific relevant topics.

On April 20, 2010, an explosion and fire occurred on the Deepwater Horizon drilling rig in the Gulf of Mexico. This resulted in 11 worker fatalities, a massive oil release, and a national response effort in the Gulf of Mexico region by the federal and state governments as well as BP. Based on estimates from the Flow Rate Technical Group, which is led by the U.S. Geological Survey, the 2010 Gulf spill has become the largest oil spill in U.S. waters. The oil spill has damaged natural resources and has had regional economic impacts. In addition, questions have been raised as to whether offshore regulation of oil exploration has kept pace with the increasingly complex technologies needed to explore and develop deeper waters. This report provides an initial overview of Deepwater Horizon-related issues for Congress, and refers readers to in-depth CRS reports on specific issues.

Omnibus energy legislation (H.R. 4) that is now in conference would expand energy tax incentives significantly. The House passed the bill on August 2, 2001, and the Senate approved its version April 25, 2002. Several energy tax issues are addressed in these bills: 1) tax incentives to increase the supply of oil and gas, and the demand for coal; 2) energy tax issues relating to energy conservation and energy efficiency; 3) energy tax issues relating to alternative fuels; 4) selected issues relating to electricity restructuring; and 5) expiring energy tax provisions.

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