South-Western Europe in the context of "Malta (island)"

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⭐ Core Definition: South-Western Europe

Europe is often divided into regions and subregions based on geographical, cultural or historical factors. Since there is no universal agreement on Europe's regional composition, the placement of individual countries may vary based on criteria being used. For instance, the Balkans is a distinct geographical region within Europe, but individual countries may alternatively be grouped into Central, Eastern, Southeastern, or Southern Europe.

Regional affiliation of countries may also evolve over time. Malta was considered an island of North Africa for centuries, but is now considered a part of Southern Europe. The exact placement of the Caucasus has also varied since classical antiquity and is now regarded by many as a distinct region within or partly in Europe. Greenland, and partially Iceland, is geographically a part of North America but has been politically and culturally influenced by Northern European countries for more than a millennium. As such, several regions are often included as belonging to a Greater Europe, including Anatolia, Cyprus, the South Caucasus, Siberia, Asian Kazakhstan (the part of Kazakhstan located east of European Kazakhstan), Greenland, as well as the overseas territories of EU member states.

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South-Western Europe in the context of Soil contamination

Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste. The most common chemicals involved are petroleum hydrocarbons, polynuclear aromatic hydrocarbons (such as naphthalene and benzo(a)pyrene), solvents, pesticides, lead, and other heavy metals. Contamination is correlated with the degree of industrialization and intensity of chemical substance. The concern over soil contamination stems primarily from health risks, from direct contact with the contaminated soil, vapour from the contaminants, or from secondary contamination of water supplies within and underlying the soil. Mapping of contaminated soil sites and the resulting clean ups are time-consuming and expensive tasks, and require expertise in geology, hydrology, chemistry, computer modelling, and GIS in Environmental Contamination, as well as an appreciation of the history of industrial chemistry.

In North America and South-Western Europe the extent of contaminated land is best known for as many of the countries in these areas having a legal framework to identify and deal with this environmental problem. Developing countries tend to be less tightly regulated despite some of them having undergone significant industrialization.

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