Tropical Rainforests: The Canopy - Overview, history of access methods, photographs, trees, ephiphytes, vines and lianas, and animals. - http://rainforests.mongabay.com/0401.htm
Center for Canopy Ecology - Focuses on research and education involving tropical rain forest canopies. News and conferences, articles and publications with online ordering, projects, history including conference abstracts, list of locations with canopy access, and resources. - http://www.selby.org/index.php?src=gendocs&link=CenterforCanopyEcology
International Canopy Network - Non-profit organization facilitating interaction between people concerned with forest canopies and forest ecosystems. Researchers, citation database, educational programs, meetings, and canopy access locations, techniques, and safety. - http://www.evergreen.edu/ican/
Big Canopy Database - Research projects and sites, analytical tools and resources, meetings, newsletters, publications, image gallery, canopy access and safety, and training programs. - http://canopy.evergreen.edu/bcd/
Global Canopy Programme - International study of canopies. News, research objectives, statement of principles, canopy research sites, message forum, and links. - http://www.globalcanopy.org/