- Domeniu: NGO
- Number of terms: 31364
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The United Nations Organization (UNO), or simply United Nations (UN), is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and the achieving of world peace.
Radiation in the wavelength range between visible light and X-rays, divided into wave length bands A, B, C. Much of the ultraviolet radiations in bands B and C are prevented from reaching the earth's surface by the ozone layer present in the atmosphere.
Industry:Environment
Grazing by livestock or wildlife to the point where the grass cover is depleted, leaving bare, unprotected patches of soil. As a result, water and wind cause erosion, especially on clay soils, and the growth of poisonous plants and thorny shrubs may increase.
Industry:Environment
Measures of species diversity expressed as ratios between numbers of species and "importance values" (numbers, biomass, productivity and so on) of individuals (Odum, 1971). The term may also refer to genetic diversity and diversity of habitats or communities.
Industry:Environment
Large mass of perennial ice or snow that forms on land. Glaciers occupy about 11 per cent of the earth's land surface and hold roughly three fourths of its freshwater. Approximately 99 per cent of glaciers are concentrated in the Antarctic and Greenland.
Industry:Environment
Products that are less polluting, at the time of their consumption and/or scrapping, than equivalent traditional products. In most cases, such products are more costly, and their production and consumption are usually encouraged by fiscal and other incentives.
Industry:Environment
Anthropogenic source of emissions that is located at an identifiable point in space. The term covers stationary sources such as sewage treatment plants, powerplants, other industrial establishments, and similar buildings and premises of small spatial extension.
Industry:Environment
A technology that uses sorbents, usually lime or limestone, to remove sulphur dioxide from the gases produced by burning fossil fuels. Flue gas desulphurization is the state-of-the-art technology in use by major sulphur dioxide emitters, for example, powerplants.
Industry:Environment
Natural flooding and overirrigation that brings water at underground levels to the surface. As a consequence, displacement of the air occurs in the soil with corresponding changes in soil processes and an accumulation of toxic substances that impede plant growth.
Industry:Environment
Development that meets the needs of the present without compromising the ability of future generations to meet their own needs (World Commission on Environment and Development, 1987). It assumes the conservation of natural assets for future growth and development.
Industry:Environment
Removal of mud from the bottom of water bodies for deepening through the use of special mechanical devices. Dredging disturbs the ecosystem and can kill aquatic life. Dredging of contaminated muds can expose aquatic life to heavy metals and other toxic materials.
Industry:Environment
