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Terms for subject Environment (6533 entries)

defrişare	land clearing (Removal of trees, undergrowth, etc. in preparation for ploughing, building, etc.)
defrişare completă	woodland clearance (The permanent clear-felling of an area of forest or woodland. On steep slopes this can lead to severe soil erosion, especially where heavy seasonal rains or the melting of snow at higher levels cause sudden heavy flows of water. In the humid tropics it may also lead to a release of carbon dioxide from the soil)
defrișare din zonele tropicale	tropical deforestation
degajare accidentală de organisme	accidental release of organisms (Genetically engineered organisms that are released in the environment by mistake; once released they may exhibit some previously unknown pathogenicity, might take over from some naturally occurring bacteria (possibly having other positive functions which thus are lost) or pass on some unwanted trait to such indigenous bacteria. There is also concern that an uncontrolled genetic mutation could produce a form with hazardous consequences for the environment)
degazificare a deşeurilor	waste degasification (The removal of gaseous components form waste)
degazificare a gropii de gunoi	landfill degasification (Landfill gas is highly dangerous as methane is highly explosive; therefore it must be controlled at all operational landfill sites, whether by active or passive ventilation or both especially in the case of deep sites. There exist venting systems for shallow and deep sites respectively)
degradabilitate	degradability (The capacity of being decomposed chemically or biologically)
degradare	degradation (A type of organic chemical reaction in which a compound is converted into a simpler compound in stages)
degradare a apei dulci	freshwater degradation (Pollution immediately or eventually involves the hydrological cycle of the earth, because even pollutants emitted into the air and those present in the soil are washed out by precipitation. Water is considered polluted when it is altered in composition or condition so that it becomes less suitable for any or all of the functions and purposes for which it would be suitable in its natural state. This definition includes changes in the physical, chemical and biological properties of water, or such discharges of liquid, gaseous or solid substances into water as will or are likely to create nuisances or render such water harmful to public health, safety or welfare, or to domestic, commercial, industrial, agricultural, fish or other aquatic life. It also includes changes in temperatures, due to the discharge of hot water)
degradare a poluantului	pollutant degradation (The physical, chemical or biological breakdown of a complex polluting material into simpler components)
degradare a solului	soil degradation (Soil may deteriorate either by physical movement of soil particles from a given site or by depletion of the water-soluble elements in the soil which contribute to the nourishment of crop, plants, grasses, trees, and other economically usable vegetation. The physical movement generally is referred to as erosion. Wind, water, glacial ice, animals and tools in use may be agents of erosion)
degradare chimică	chemical degradation (The act or process of simplifying or breaking down a molecule into smaller parts, either naturally or artificially)
degradare primară	primary degradation
degradare urbană	urban decay (Condition where part of a city or town becomes old or dirty or ruined, because businesses and wealthy families have moved away from it)
degradarea mediului	degradation of the environment (The process by which the environment is progressively contaminated, overexploited and destroyed)
degradarea pădurilor	forest degradation
degradarea peisajului	skyline destruction
degradarea resurselor naturale	degradation of natural resources (The result of the cumulative activities of farmers, households, and industries, all trying to improve their socio-economic well being. These activities tend to be counterproductive for several reasons. People may not completely understand the long-term consequences of their activities on the natural resource base. The most important ways in which human activity is interfering with the global ecosystem are: 1. fossil fuel burning which may double the atmospheric carbon dioxide concentration by the middle of the next century, as well as further increasing the emissions of sulphur and nitrogen very significantly; 2. expanding agriculture and forestry and the associated use of fertilizers (nitrogen and phosphorous) are significantly altering the natural circulation of these nutrients; 3. increased exploitation of the freshwater system both for irrigation in agriculture and industry and for waste disposal)
degradarea solului	land degradation
degradarea solului	soil degradation