Book excerpt: Written by one of the world’s leading theorists in ecocriticism, this manifesto provides a critical summary of the ecocritical movement. A critical summary of the emerging discipline of “ecocriticism”. Written by one of the world’s leading theorists in ecocriticism. Traces the history of the ecocritical movement from its roots in the 1970s through to its diversification and proliferation today. Takes account of different ecocritical positions and directions. Describes major tensions within ecocriticism and addresses major criticisms of the movement. Looks to the future of ecocriticism, proposing that discourses of the environment should become a permanent part of literary and cultural studies.