The document discusses several environmental problems facing the Philippines: deforestation resulting from removal of forests for other land uses; flash floods from heavy rains that overwhelm drainage systems; soil erosion from removal of soil and sediments; oil spills polluting the ocean; degradation of coral reefs through explosives and cyanide; illegal mining using heavy equipment; and climate change as one of the greatest challenges of the 20th century. It also outlines the Community Health Action Project approach of encouraging community participation and involvement to address health issues, and lists several government agencies and their roles in promoting community health in the Philippines.