Friends of the Spit
- Information about the Leslie Street Spit, a park-like 5-km peninsula that juts into Lake Ontario close to downtown Toronto.
- http://www.friendsofthespit.ca/

Toronto Botanical Garden
- A volunteer-driven charity and leader in public education in horticulture, gardening and allied environmental issues for over 40 years. Includes its history and answers to FAQs.
- http://www.torontobotanicalgarden.ca/

Toronto and Region Conservation Authority
- Public agency devoted to the protection, enhancement, and public enjoyment of the renewable natural resources within nine watersheds in the Great Lakes Basin.
- http://www.trca.on.ca

Royal Astronomical Society of Canada - Toronto Centre
- Devoted to the advancement of astronomy and allied sciences. News, meeting and membership information provided.
- http://toronto.rasc.ca/

The Clean Air Partnership (CAP)
- A registered charity that works with partners to achieve clean air, facilitate the exchange of ideas, advance change and promote and coordinate implementation of actions that improve local air quality.
- http://www.cleanairpartnership.org

Pesticide Portal
- City of Toronto provides information on pesticides, pesticide dangers and tips on keeping your lawn green.
- http://www.toronto.ca/pesticides/

Garbage and Recycling in Toronto
- Provides garbage and recycling collection calendars on-line, and other details about reduce, reuse and recycle programs.
- http://www.toronto.ca/garbage/

Toronto Atmospheric Fund
- Established to help the city meet its goal of reducing greenhouse gas emissions by 20 per cent by 2005. Loans and grants offered to community groups, government organizations and businesses, which work in partnership with TAF.
- http://www.toronto.ca/taf/

York University Astronomical Observatory
- General information, details on public viewing sessions, ongoing research and virtual tour of the observatory.
- http://www.yorku.ca/observe/

Smart Living
- Presents energy conservation tips for homeowners and tenants, from the Energy Action Council of Toronto (ENACT).
- http://www.smartliving.ca/

Toronto Aquarium Society - Yahoo group
- Group sharing interest in the hobby of maintaining an aquarium with fish and aquatic plants.
- http://groups.yahoo.com/group/TASociety/

Energy Action Council of Toronto
- EnerACT is a community-based not-for-profit organization advocating for energy conservation and renewable energy. Initiates pioneering technology demonstration projects.
- http://www.eneract.org/

University Health Network Microarray Centre
- Produce arrays and provide training and support to labs. Offers access to microarray scanners to local customers. Includes profile, products and services, and contact details.
- http://www.microarray.ca/

Mycological Society of Toronto
- A non-profit club for amateur mycologists and others with an interest in wild mushrooms and other fungi.
- http://www.myctor.org/

Toronto Environmental Alliance
- This grassroots organization encourages the participation of Toronto citizens on local environmental issues.
- http://www.torontoenvironment.org/

Toronto Biotechnology Initiative
- Non-profit group promotes growth and development in the Toronto area with breakfasts, newsletters and fact sheets.
- http://www.torontobiotech.org/

The da Vinci Project
- Describes a Canadian entry to enter space, describing the vehicle, launch process, and the program.
- http://www.davinciproject.com/

North American Native Plant Society
- Dedicated to the study, conservation, cultivation and restoration of native plants, and provides lists of publications, a seed exchange, and upcoming events.
- http://www.nanps.org/