Many environmental law courses provide instruction in national environmental laws and their application. Some environmental law courses compare one system of environmental law with another system to see what each system can learn from the other. Most recently, there has been a move towards a more global approach to comparative environmental law, looking at the global development of legal institutions and procedures in the enforcement of environmental statutes and regulations. As the world faces increasingly difficult conditions with advancing climate change and ocean acidification, continuing loss of biological diversity, the growth of megacities, massive public health problems from pollution, and continuing population growth putting stress...