groups and schools. Field team projects often had a restoration, environmental education or community revitalization focus, and could have involved activities such as wildlife habitat restoration, building riparian fences, trail building and rehabilitation, salmon habitat rehabilitation, planting trees in natural and urban areas, non-native species removal, public education and outreach, and community enhancement projects. See also Sustainability Biodiversity Global warming Ecology Earth Science Natural environment Nature Conservation Movement External links Northwest Service Academy - Official website - The Columbian article on closing of Northwest Service Academy AmeriCorps organizations Environmental organizations based in the United States