This book addresses remedial action and waste management problems that the DOE and the nation are now facing that are the result of 50 years of nuclear weapons development and testingâ€"problems that require a reengineering of systems and a reexamination of the scientific, engineering, and institutional barriers to achieving cost-effective and safe stewardship of the nation's resources. Improving the Environment evaluates the DOE's environmental management program in four areas: regulatory measures, organization and management, priority-setting, timing and staging, and science and technology.