American Geographical Society
American Society for Photogrammetry & Remote Sensing
Association of American Geographers
Canadian Association of Geographers
Geographical Association
International Geographical Union
National Council for Geographic Education
National Geographic Society
University Consortium for Geographic Information Science
Royal Geographical Society
Climate.gov
Geographical Names Information System
National Geographic
Science Daily: Geography News
TopoZone
U.S. Census Bureau
U.S. Geological Survey
World Meteorological Organization
