natural disaster: An occurrence causing widespread destruction and distress; a natural catastrophe.

famine: extreme and general scarcity of food, as in a country or a large geographical area.

organic: noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.

desert: a region so arid because of little rainfall that it supports only sparse and widely spaced vegetation or no vegetation at all.

emergency: a sudden, urgent, usually unexpected occurrence or occasion requiring immediate action.

search and secure dog: It is a security and search animal.

landfill: a low area of land that is built up from deposits of solid refuse in layers covered by soil.

forest: a large tract of land covered with trees and underbrush; woodland.

fire: a state, process, or instance of combustion in which fuel or other material is ignited and combined with oxygen, giving off light, heat, and flame.

earthquake: a series of vibrations induced in the earth's crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating.

shelter: something beneath, behind, or within which a person, animal, or thing is protected from storms, missiles, adverse conditions, etc.; refuge.

missing people: Absent; lost; lacking.