now widely recognized by conservation and scientific organizations. For example, freedom of movement for wildlife is basic to the emerging new science of Movement Ecology described in a December 2008 Proceedings of the National Academy of Sciences. This freedom of wildlife movement was a fundamental reason for the Act's development and introduction, and has become an increasingly high profile issue in the climate and biological sciences. (10) The economic value to the Nation of most of these undeveloped areas, left in their natural state, greatly exceeds any potential return to the Treasury of the United States from timber harvest and development. If current Federal land management in the Northern Rockies continues to result in the development of roadless areas, the American public will be using its tax dollars to fund permanent reductions in wilderness, water quality, fish and wildlife habitat, and species and biological diversity. (11) Instead, this Act provides opportunities for employment in outdoor trades by establishing rehabilitation zones on specific tracts of damaged Federal land where active restoration work will occur. This Act will provide contracts for local businesses and renew the intrinsic economic, social and cultural benefits that result from productive land. Federal land rehabilitation projects represent a direct benefit to the local economy and reduce the loss to American taxpayers caused by below-cost timber sales and other subsidized resource extraction. (12) The congressional review of roadless areas within the National Forest System, National Park System, and public lands administered by the Bureau of Land Management in the States of Idaho, Montana, Oregon, Washington, and Wyoming has identified areas which, on the basis of their land form, ecosystem, associated fish and wildlife, economic value, and location will help to fulfill the role of the United States Forest Service, National Park Service, and Bureau of Land Management to ensure a quality National Wilderness Preservation System.