To be a pollutant, a material has to be potentially harmful to life. A layer above the Earth's surface supports life is known as troposphere. Air pollution has existed since first used fire. Almost all air pollutants is the result of burning fossil fuel, either in your home, by industry or in internal combustion engine. Some serious consequences are:
1. Acid Rain
2. Ozone Layer Depletion
3. Photochemical Smog
4. Greenhouse Effect
Littering is one of the main effects of land pollution today. Land pollution is also soil pollution of which have deposits of solid waste, non-biodegradable materials, and poisons. Land pollution has amass globally, everyday threatening the very foundation and mechanical support of every matter on Earth. Statistically, it has been shown that :
1. loss of 6 million hectares of land per year.
2. loss of 24 billion tons of topsoil per year
There is no such thing as naturally pure water. As water flows into ground and filters through layers of soil and rock in the ground, it dissolve and absorbs the substances that it touches some substances are harmless. Some substances are man-made chemicals, and are considered contaminants that can make water unsafe. Some contaminants come from erosion of natural rock formation. Others come from factories, applied to farm lands, or used by consumers. Reports tell which contaminants are in your drinking water,and at which level they were found.