The document discusses environmental law and policy in the Philippines. It provides a history of environmental law beginning with the 1972 UN conference that established agreements to protect the environment. It also outlines several international treaties and describes key Philippine laws and policies related to environmental protection, including the Philippine Environmental Policy, Environmental Code, and various laws governing air quality, water quality, land use, natural resources, and more. The document concludes by discussing challenges around water quality and key issues like increasing water-related risks from events like typhoons and floods.