екологічна катастрофа, природна катастрофа
man-made disaster; technological disaster
electromagnetic environmental effects (E3)
environmental effects
environmental warfare
rapid environmental assessment
environmental factors
environmental impact
Environmental Impact Assessment (EIA)
environmental degradation
environmental test
environmental advantages
environmental air
environmental change
environmental compatibility
environmental conditions
environmental energy
environmental hazard
environmental lapse rate (ELR)
environmental temperature
environmental tests
acute environmental change
expert group on environmental emergencies response activities
environmental forces
safety and environmental
disaster
disaster aid / relief
disaster location
disaster management
disaster medicine
disaster preparedness
disaster preparedness plan
disaster prevention