Sunday, December 21, 2008

LAND POLLUTION

Pollution

Pollution is the introduction of contaminants into an environment, of whatever predetermined or agreed upon proportions or frame of reference; these contaminants cause instability, disorder, harm or discomfort to the physical systems or living organisms therein. Pollution can take the form of chemical substances, or energy, such as noise, heat or light energy. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source (point source pollution comes from a particular place such as industrial and sewage treatment plants)or non-point (non-point source pollution occurs when rainfall or snow melt moving over and through the ground, pick up natural and human-made pollutants and finally deposits them into lakes, rivers, wetlands,coastal waters and even our underground sources of drinking water) source pollution.
(source: http://en.wikipedia.org/wiki/pollution)

"Undesirable state of natural environment being contaminated with harmful substances as a consequence of human activities".
(source: Wordnet- http://wordnetweb.princeton.edu)

There are basically 3 types of pollution. There are:
1. Air Pollution
2. Water Pollution
3. Land Pollution


WHAT IS LAND POLLUTION???


Land pollution is about contaminating the land surface of the earth through dumping urban waste matter indiscriminately, dumping of industrial waste, mineral exploitation and misusing the soil by harmful agricultural practices. Land pollution includes visible litter and waste along with the soil itself being polluted. The soil gets polluted by the chemicals in pesticides and herbicides used for agricultural purposed along with waste matter being littered in urban area such as roads, park and so on.

Land pollution also known as waste materials which cannot be burnt (such as plastics) are filling up the landfills and the dumping of ash that remains from the burning of biomass and fossil fuels are also adding to the land pollution. The dumping of such plastic waste will be a serious problem.

The dumping of ash that remains from the burning of biomass and fossil fuels are also adding to the land pollution problem.


The picture show the vast amounts of rubbish are dumped in landfills and on any other available land space. This cause land pollution
.

1 comment:

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