WWF aims at saving endangered species and the wild places that are so vital to our planet's health and survival.

Greenpeace is a non-profit organisation, with a presence in 40 countries across Europe, the Americas, Asia and the Pacific. Greenpeace focuses on the the most crucial worldwide threats to our planet's biodiversity and environment.

The Sierra Club was founded by naturalist and writer John Muir in 1892 to protect the wilderness of the Sierra Nevada. Over the years, the activities of the Sierra Club have expanded to include issues ranging from climate change and energy to toxic chemical contamination and loss of biological diversity.

The Sierra Club has been active in Canada since 1969, working on matters of public policy and environmental awareness. We have local chapters and working groups in every region of the country.

Since 1990, the David Suzuki Foundation has worked to find ways for society to live in balance with the natural world that sustains us. Focusing on four program areas – oceans and sustainable fishing, forests and wild lands, climate change and clean energy, and the web of life - the Foundation uses science and education to promote solutions that help conserve nature.

The Canadian Environmental Network (CEN) facilitates networking between environmental organizations and others who share its mandate — To Protect The Earth And Promote Ecologically Sound Ways Of Life.

The Biodiversity Project works to make people aware of the importance of biodiversity and to build their commitment to saving it. Our task is to engage and empower people to act by making the connection between biodiversity and people's daily lives and basic values.

The EnviroLink Network is a non-profit organization which has been providing access to thousands of online environmental resources since 1991.