International environmental law and policy / David Hunter (Professor of Law, Washington College of Law, American University), James Salzman (Donald Bren Distinguished Professor of Environmental Law, University of California, Los Angeles, School of Law; University of California, Santa Barbara, Bren School of Environmental Science & Management), Durwood Zaelke (President, Institute for Governance & Sustainable Development, Adjunct Professor of Law, Washington College of Law, American University, Adjunct Professor and Co-Director, Program on Governance for Sustainable Development, University of California, Santa Barbara, Bren School of Environmental Science & Management).