Gallatin Conservation District - Guiding the district in the conservation and management of soil, water, cropland, grazing lands, and open space by providing conservation planning, technical assistance, educational resources, and resource management inventories. - http://www.gallatincd.mt.nacdnet.org/
American Wildlands - Bozeman-based non-profit conservation organization and advocate for wildlands, biodiversity, and sustainable management of the Northern Rocky Mountain region - http://www.wildlands.org/
Political Economy Research Center (PERC) - Non-profit organization involved in research and policy analysis, environmental education (at all levels) via teacher workshops and newsletters, educational opportunities and internships, and outreach via books and conferences. Good range of information. - http://www.perc.org/