This document discusses sustainability issues and environmental policy and regulation in the Philippines. It begins by defining sustainability and its three pillars: environmental, social, and economic sustainability. It then discusses some of the impacts of unsustainable practices like climate change, deforestation, and pollution. The remainder of the document outlines key environmental laws and policies in the Philippines, including the Environmental Impact Assessment System, the Toxic Substances and Hazardous and Nuclear Wastes Control Act, the Ecological Solid Waste Management Act, the Clean Water Act, and the Clean Air Act. It emphasizes the importance of environmental protection, conservation, and management through legislation and regulatory frameworks.