- Air Quality Ontario - Provides smog alerts, air quality forecasts and suggestions to reduce pollution for Ontarians.
- AMRC - Association of Municipal Recyclers - Recycling tips, members' public pages, section for members only, executive organization, notices of education, workshops and information sessions news and reports.
- Burnt Lake - Information about a pristine lake in the Parry Sound area. Offers peace, quiet and serenity because of power boats, banned by Federal Law.
- Canadian Environment Industry Association (CEIA Ontario) - Private sector, not-for-profit association dedicated to promoting the economic health of environment business, thereby strengthening its domestic and international competitiveness.
- Centre for Research in Earth and Space Technology (CRESTech) - Conducts research and development for Canada's environmental, resource management, and space sectors.
- Dufferin County Forest - Information about this forest located about 1.5 hours drive northwest of Toronto.
- Ecological Research And Monitoring On The Milton Outlier Of The Niagara Escarpment - Describes cliff and talus slope vegetation, endolithic organisms, and small mammals and birds, and discusses impacts of hiking and climbing.
- Festive Earth Society - An eco-information portal with forums on global, national and local issues. Includes links to resources, publications and articles, participant profiles, events calendars and information on how to get involved.
- Friends of the Escarpment - Not-for-profit organization dedicated to advocacy and activism to preserve the ecological diversity of the Niagara Escarpment.
- FrogWatch Ontario - Seeks volunteers to listen for frog and toad calls in their local wetlands as part of a project to monitor amphibian populations.
- Green Ontario - A guide to the environmental scene in Ontario, including factsheets on environmental issues and directories of organizations.
- Green Planet Social Justice and Ecological Network - Monitoring what impacts the regions of Southwestern Ontario and Southeastern Michigan and the home of the Citizens Environment Alliance of Southwestern Ontario and Southeastern Michigan.
- Lake Ontario Keeper - A grassroots organization of an informed and empowered waterfront community, promoting access to public waterways and accountability for polluters through investigations, workshops, and, when necessary, criminal prosecutions.
- Lake Ontario Waterfront Regeneration Trust - Information, news releases and contacts fort efforts toward sustainable community development and revitalizing the lakefront.
- Oak Ridges Moraine - Earthroots' campaign website to protect the threatened Oak Ridges Moraine. Provides activism tips, links, news releases, photos and backghround information.
- Ontario Professional Foresters Association - Governs the standards of practice of forestry in the province, and lists information about legislation, policies and guidelines, membership, news and a classified advertising section.
- Ontario Science Centre - Information about the Youth Section of the OSC.
- Ontario Streams - Raises public awareness in volunteer stream and watershed projects.
- Positive Power - Advocates developing community-based wind power and sustainable/renewable energy in the Halton, Haldimand, and Hamilton areas. Lists press releases and links to related and educational sites.
- Quetico Foundation - Dedicated to the preservation of wilderness areas, particularly of Quetico Park.
- RCO - Recycling Council of Ontario - Provides extensive information concerning recycling and waste minimization programs in the province of Ontario. Includes related links.
- Severn Sound Environmental Association - Information about projects and programs to improve water quality and restore wildlife habitat in the Severn Sound area.
- The Green Pages - Provides extensive information about the environment, conservation, education and includes free e-mail.
- The Ontario Environment Network - Non-profit, non-governmental network of over 500 environmental groups that focus on a wide range of environmental issues.
- The Southern Ontario Seismic Network - Seven permanent seismic stations and four remote dialup seismic stations located mainly in the Toronto, Hamilton, Niagara peninsula area of Southern Ontario.
- The Tadpole Monitoring Project - An M.Sc. research project that seeks to involve in the public in monitoring ponds and wetlands in Ontario to obtain information regarding catastrophic amphibian tadpole die-offs.
- Water Environment Association of Ontario - A not for profit organization of over 1200 technical and professional individuals dedicated to the preservation and enhancement of Ontarios water environment
- Waterfalls of Southern Ontario - An ongoing project to build detailed database of falls listing a page about each and providing photos, physical and cultural information with directions.
- Watershed Report Card - Operates with financial support of the Ontario Trillium Foundation, an agency of the Ministry of Culture. Provides an overview, resources, also news and activities for education about Ontario watersheds.
- Search our Wiki for Ontario Science Environment - Find more information about this subject by clicking here
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