Macoun Field Club
- http://macoun.zone12.com
- A nature club for kids ages 9 to 20 sponsored by the Canadian Museum of Nature and the Ottawa Field-Naturalists' Club. Membership and events information is provided.
Marbek Resource Consultants
- http://www.marbek.ca/
- An environment and energy management consulting firm, providing policy and program advice in energy efficiency, sustainable development, and environmental assessment.
Ottawa Forests Advisory Committee
- http://www.ottawaforests.ca
- Volunteers providing inputs to City Council on tree and forest management policies and promoter of the role of the city's trees and forests in the quality of life. Activities, meetings and current issues are presented.
Ottawa Horticultural Society
- http://www.ottawahort.org/
- Amateur garden club which promotes and encourages interest and improvement in horticultural activities. List of events, pictures, newsletters, and membership details are presented.
Tree Canada Foundation
- http://www.treecanada.ca/
- Volunteer organization promoting the planting of trees to promote quality of life. CO2 calculators, forestry news, tree science information and ecology news.
Wild Bird Care Centre
- http://www.wildbirdcarecentre.org/
- Dedicated to the care and treatment of sick, injured and orphaned wild birds for release back to the wild. Includes tips for handling baby birds, pigeon facts, list of needed items, and membership form.