The document discusses exposure and vulnerability to natural hazards. It defines exposure as the presence of people, assets, or resources that could be affected by hazards, while vulnerability is the susceptibility to harm from stresses or lack of adaptive capacity. The Philippines has high exposure and vulnerability due to factors like frequent typhoons, earthquakes, floods, its archipelagic geography, poverty, and weak institutional capacity to manage disasters. Key vulnerable sectors include agriculture, watersheds, coastal areas, and public health.