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Sources of land pollution.

Below are some sources of solid and semi-solid pollutants:

land pollutionfacts on water pollutionAgricultural sources:
These include waste matter produced by crop, animal manure and farm residues. They also include the chemical left over of all pesticides, fertilisers and insecticides used for agricultural activities.

facts on water pollutionAshes: The residual matter that remains after solid fuels are burned. When waste is burned in incinerators, two types of ashes are produced. Bottom ash is the debris from burnt metal and glass waste. Bottom ash is not bio-degradable. The second type of ash is called fly ash. This is the ash that is trapped by filters in the chimney of the incinerators. It is known to be very toxic (poisonous). Every four trucks of waste burnt produce about one truck of ashes that end up in the landfill too. Ashes easily leak into the soil and water tables causing land and water pollution.

facts on water pollutionMining sources: This includes piles of coal refuse and heaps of slag and underground debris. Mining and forestry activities that clear the land surfaces (clearcutting) and use 'skid trails' often leave the land unrestored. The surface is exposed to erosion which destroys the quality of the land. Additionally, iron and other chemicals such as copper, mercury and lead from mining practices leach into the soil, polluting it and leaving it exposed to water bodies as well.

facts on water pollutionIndustrial sources: These include paints, chemicals, metals and aluminum, plastics and so on that are produces in the process of manufacturing goods.

facts on water pollutionSewage Treatment: Wastes that are left over after sewage has been treated, biomass sludge, and settled solids. Some of these are sent directly to landfills whiles other treatment plants burn them to generate electricity. Both end up polluting the environment.

facts on water pollutionGarbage or waste: These include household or municipal waste such as glass, metal, cloth, plastic, wood, paper, and so on. Some of these can decay and others cannot. They are usually collected and sent to landfills where the pollution action begins.

facts on water pollutionConstruction sources: These include waste like debris, wood, metals and plastics that are produced from construction activities.

facts on water pollutionDeforestation: This is when trees are cut down for economic purposes, mining, farming and construction. In forests areas, trees absorb and reflect about 20% of the intense heat from the sun, protecting and preserving its surface soils. Cutting down trees mean that the land is exposed to direct sunlight and rain, resulting in soil erosions, desertification and land degradation

facts on water pollutionChemical And Nuclear Plants: These include chemical waste from chemical industries that are disposed of into landfills.

facts on water pollutionOil Refineries: When crude oil is refined into usable petrol, gas or diesel, there are by-products that end up as waste.

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