National Arborist Association

National Arborist Association
Name	National Arborist Association
Formation	1978
Type	Professional association
Headquarters	United States
Region served	United States, Canada
Membership	Arborists, tree care professionals
Leader title	President

Contents

National Arborist Association The National Arborist Association is a professional organization that represents arboriculture practitioners, urban forestry managers, and tree care workers across the United States, with connections to practitioners in Canada, United Kingdom, and Australia. It promotes standards for tree surgery and vegetation management, provides certification and continuing education programs, and engages in advocacy with agencies such as the United States Forest Service, Environmental Protection Agency, and municipal authorities in New York City, Los Angeles, and Chicago. The association interacts with institutions like Irvine Arboretum, Arnold Arboretum of Harvard University, and professional societies including the International Society of Arboriculture, Society of American Foresters, and Royal Forestry Society.

History

The association was founded in 1978 by a coalition of practitioners from New York City Department of Parks and Recreation, San Francisco Public Utilities Commission, Chicago Park District, and private firms influenced by standards from British Standards Institution and guidance from the United States Forest Service. Early leaders included figures with ties to the Smithsonian Institution, Royal Botanic Gardens, Kew, and the Missouri Botanical Garden, and the group drew on scholarship from researchers at Yale School of the Environment, Cornell University, and the University of California, Berkeley. During the 1980s and 1990s the association collaborated with agencies such as the Environmental Protection Agency and the National Park Service on pest responses to outbreaks like the emerald ash borer and programs modeled after initiatives by The Nature Conservancy and National Audubon Society. Partnerships in the 21st century extended to international projects with Food and Agriculture Organization and United Nations Environment Programme colleagues and municipal programs in Toronto, Vancouver, and Melbourne.

Governance follows a volunteer board model with elected officers mirroring structures used by the American Public Works Association and the American Society of Civil Engineers. Committees address technical standards, certification, research, and policy, engaging liaisons to agencies such as the Federal Highway Administration, National Oceanic and Atmospheric Administration, and state departments like the California Department of Forestry and Fire Protection and the New York State Department of Environmental Conservation. Membership categories reflect parity with professional associations such as the International Society of Arboriculture and Society of American Foresters, and the association convenes annual meetings in cities comparable to Denver, Seattle, Atlanta, and Boston with speakers from institutions like Colorado State University, Michigan State University, and University of Washington.

The association administers credentialing programs patterned on models from the Board of Certification for Plant Health Professionals, American National Standards Institute, and International Organization for Standardization. Certificates cover climbing and rigging techniques taught in curricula influenced by Oregon State University, Penn State University, and University of Florida extension programs, and accredited trainers draw on manuals produced by American Society of Landscape Architects and case studies from Brooklyn Botanic Garden and Chicago Botanical Garden. Continuing education units align with professional development frameworks used by the Royal Horticultural Society, Canadian Nursery Landscape Association, and the European Arboricultural Council, and specialized workshops address topics featured in conferences like the Urban Forest Connections Conference and the Society of American Foresters National Convention.

Technical standards promulgated by the association reference protocols from the American National Standards Institute, the International Society of Arboriculture, and guidance used by the National Arbor Day Foundation and the Arboricultural Association (UK). Best practices cover pruning, cabling, bracing, hazard assessment, and tree risk assessment modeled after research at University of Cambridge, University of Birmingham, and the University of Oxford laboratories studying tree biomechanics. The association produces maintenance specifications analogous to documents from the U.S. Department of Transportation, Utilities and Transportation Commission standards in Washington (state), and municipal handbooks used in Philadelphia and Minneapolis.

Advocacy initiatives engage elected bodies and regulators similar to efforts by the Sierra Club, National Wildlife Federation, and Trust for Public Land, focusing on urban canopy expansion, storm resilience, and pest management policies debated in forums like the United States Congress and state legislatures in California, New York, and Illinois. Public outreach campaigns coordinate with partners such as the National Arbor Day Foundation, Tree Canada, and municipal programs in Portland, Oregon and Seattle to promote planting, stewardship, and volunteer training modeled on programs by The Conservation Volunteers and Roots & Shoots. Media outreach has involved collaborations with publications like Scientific American, National Geographic, and The New York Times as well as broadcast features on NPR and public television stations.

The association sponsors applied research and technical reports in collaboration with universities including University of Massachusetts Amherst, Iowa State University, and Oregon State University, and publishes peer-reviewed findings in outlets akin to Urban Forestry & Urban Greening, Journal of Arboriculture, and Ecological Applications. Its manuals and technical bulletins draw on methods from the U.S. Forest Service Research and Development, comparative studies by Harvard Forest, and international syntheses produced with partners such as the International Union for Conservation of Nature and World Agroforestry. Annual proceedings and white papers inform policy discussions at conferences like the International Union of Forest Research Organizations and are archived with libraries such as the Library of Congress and university repositories at Michigan State University.