The Canadian Environmental Law Association (CELA) is a non-profit, public interest organization established in 1970 to use existing laws to protect the environment and to advocate environmental law reforms. It is also a free legal advisory clinic for the public, and will act at hearings and in courts on behalf of citizens or citizens groups who are otherwise unable to afford legal assistance.

Sierra Legal Defence Fund is a progressive, non-profit environmental law organization that provides free, precedent-setting, legal services to the environmental community in Canada.