毒物 Poisons
吸烟 Smoking
主食 Staple foods
传统保健 Traditional health care
灾难 DISASTERS
灾难现象 Catastrophic phenomena
生物体的意外释放 Accidental release of organisms
雪崩 Avalanches
旋风 Cyclones
沙漠蝗虫 Desert locusts
地震 Earthquakes
环境事故 Environmental accidents
流行病 Epidemics
洪水 Floods
飓风 Hurricanes
山崩 Landslides
人为灾难 Human-made disasters
核事故 Nuclear accidents
放射性污染 Radioactive contamination
释放 Release
地震海浪 Seismic sea waves