Tree Canada Foundation - Volunteer organization promoting the planting of trees to promote quality of life. CO2 calculators, forestry news, tree science information and ecology news. Ottawa Horticultural Society - Amateur garden club which promotes and encourages interest and improvement in horticultural activities. List of events, pictures, newsletters, and membership details are presented. Rideau Valley Conservation Authority - An environmental protection and advisory agency for the Rideau watershed. About the agency, its conservation areas, upcoming events, and ongoing programs. Little Ray's Reptile Adventure - Zoo of lizards, snakes, turtles, amphibians and spiders. Information about birthday and presentation packages, plus pictures and videos of various specimens. Friends of The Carp River - Volunteer organization dedicated to 'restoring the ribbon of life along the Carp River.' Activities, news, studies and contact information are provided. Archaeological and Historical Landmarks of Ottawa - Several essays on sites, buildings, structures of interest in Ottawa. Ottawa Orchid Society - Promotes orchid growing and native species conservation, holds annual Orchid Show. Photo gallery, current activities, orchid culture, membership information. Greenspace Alliance of Canada's Capital - Group dedicated to the preservation of greenspace. Mission, current projects, membership information. Green Ottawa - Gateway to green and sustainable organizations and resources in the Ottawa-Gatineau area. Includes green job postings and events calendar. Friends of Petrie Island - Organization helping to manage and interpret a greenspace area on the Ottawa River. Photo gallery, bird call gallery, newsletter. Fitzroy Provincial Park - Cathedral forest of century-old white with recreational facilities, on Ottawa River. Information about facilities, events, activities, reservations and provincial park links. Ottawa Valley Astronomy andObservers Group - Informal, bilingual, non-profit group with an 'undying curiosity of the night sky and its many wonders.' Events, organization, resource links. Ottawa Riverkeeper - Dedicated to protecting the health of the Ottawa River and its tributaries. Lily Leaf Beetle Tracker - Lily leaf beetle information and research on biocontrol. Based in Ottawa, Ontario.