text: More than 80 sponsors support the NADP: Private companies and other non-governmental organizations, universities, local and state government agencies (i.e. state agricultural experiment stations), national laboratories, Native American environmental organizations, [http://www.ec.gc.ca/ Canadian government agencies], the National Oceanic and Atmospheric Administration, the U.S. Environmental Protection Agency, the U.S. Geological Survey, the National Park Service, the U.S. Fish & Wildlife Service, the Bureau of Land Management, the U.S. Forest Service, the U.S. Department of Agriculture-Agricultural Research Service, the National Science Foundation, and the U.S. Department of Energy.