Testimony issued by the Government Accountability Office with an abstract that begins "Collaboration between the federal government and the aviation industry has led to reductions in aviation emissions, but growing air traffic has partially offset these reductions. The Federal Aviation Administration (FAA), together with the National Aeronautics and Space Administration (NASA), the Environmental Protection Agency (EPA), and others, is working to increase the efficiency, safety, and capacity of the national airspace system and at the same time reduce aviation emissions, in part, by transforming the current air traffic control system to the Next Generation Air Transportation System (NextGen). This effort involves new technologies and air traffic procedures that can reduce aviation emissions and incorporates research and development (R&D) on emissions-reduction technologies. Reducing aviation emissions is important both to minimize their adverse health and environmental effects and to alleviate public concerns about them that could constrain the expansion of airport infrastructure and aviation operations needed to meet demand. This testimony addresses (1) the scope and nature of aviation emissions, (2) the status of selected key federal efforts to reduce aviation emissions, and (3) next steps and challenges in reducing aviation emissions. The testimony updates prior GAO work with FAA data, literature …

Testimony issued by the Government Accountability Office with an abstract that begins "In 1996, the former U.S. Immigration and Naturalization Service, now within the Department of Homeland Security (DHS), and the Social Security Administration (SSA) began operating a voluntary pilot program, recently named the E-Verify program, to provide participating employers with a means for electronically verifying employees' work eligibility. Legislation has been introduced in Congress to require all employers to electronically verify the work authorization status of their employees. In this testimony GAO provides observations on the E-Verify system's capacity and costs, options for reducing delays and improving efficiency in the verification process, ability to detect fraudulent documents and identity theft, and vulnerability to employer fraud and misuse. This testimony is based on GAO's products issued from August 2005 through June 2007 and updated information obtained from DHS and SSA in April 2008. We analyzed data on employer use, E-Verify guidance, and other reports on the employment verification process, as well as legislative proposals and regulations."

Testimony issued by the Government Accountability Office with an abstract that begins "For more than a decade, GAO has reported that Medicare has paid higher than market rates for medical equipment and supplies provided to beneficiaries under Medicare Part B. Since 1989, Medicare has used fee schedules primarily based on historical charges to set payment amounts. But this approach lacks flexibility to keep pace with market changes and increases costs to the federal government and Medicare's 44 million elderly and disabled beneficiaries. The Balanced Budget Act of 1997 required the Centers for Medicare & Medicaid Services (CMS)--the agency that administers Medicare--to test competitive bidding as a new way to set payments. CMS did this through a demonstration in two locations in which suppliers could compete on the basis of price and other factors for the right to provide their products. The Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) required CMS to conduct competitive bidding on a large scale and suppliers to obtain accreditation. GAO was asked to describe the effects that competitive bidding could have on Medicare program payments and suppliers and the need for adequate oversight to ensure quality and access for beneficiaries in a competitive …

Correspondence issued by the Government Accountability Office with an abstract that begins "According to U.S. embassy officials in Islamabad and unclassified U.S. intelligence documents, since 2002, al Qaeda and the Taliban have used Pakistan's Federally Administered Tribal Areas (FATA) and the border region to attack Pakistani, Afghan, U.S. and coalition troops; plan and train for attacks against U.S. interests; destabilize Pakistan; and spread radical Islamist ideologies that threaten U.S. interests. Since October 2001, the United States has provided Pakistan with over $10 billion for military, economic, and development activities in support of the critical U.S. national security goals of destroying terrorist threats and closing terrorist safe havens. A major component of this effort has been U.S. Coalition Support Funds (CSF) reimbursed to Pakistan. The purpose of CSF is to reimburse coalition countries for logistical and military support provided to United States military operations in the global war on terror. In Pakistan, reimbursements through CSF are intended to enable the government of Pakistan to attack terrorist networks in the FATA and stabilize the border areas. It is structured as a reimbursement mechanism in which the U.S. Department of Defense (Defense) policy is to validate that support was provided, costs were incurred, …