Toronto & GTA

• Toronto and Region Conservation Authority
• Green Tourism Association
• The City of Toronto's Environmental Plan: Clean, Green and Healthy (pdf)

Ontario

• The Conservation Council of Ontario
• Electricity Choices — Clean Air Alliance of Ontario
• Recycling Council of Ontario

Business

• Coalition for a Green Economy
• Business Alliance for Living Local Economies

Independent Media

• Boiling Frog
• Alternatives Journal

Food

• Foodshare
• Sustainable Living Network

Energy

• Eneract
• Windshare
• Low Income Energy Network

Transportation

• Autoshare Car Co-op
• Centre for Sustainable Transportation
• Community Bicycle Network
• City of Toronto, Cycling in Toronto
• Smart Commute Associtation of the Greater Toronto Area and Hamilton
• CarpoolTool.com — Canada's Free Carpooling Service

Building

• Canada Green Building Council

Green Groups

• Toronto Environmental Alliance
• Toronto and Area Events links

Peak Oil Resources

• Peak Oil and the Fate of Humanity, a PowerPoint book by Robert Bériault

Sustainability

• Millenimum Ecosystem Assessment
• Sustainability within a Generation, A new vision for Canada, David Suzuki Foundation

Free Recycling

• FreecycleTO
• FreeTOreuse