Hypothesis About Water Pollution Free Essays Biology Discussion
LAND, WATER, AIR – POLLUTION EVERYWHERE
Environmental pollution is defined as the unfavorable alteration of our surroundings. It is by product of man’s activities through direct or indirect efforts of changes. These changes could be in the physical, chemical and biological characteristics of land, air or water that harmfully affect human life or any desirable living thing. Human population explosion, rapid industrialization, deforestation, unplanned urbanization, scientific and technological advancement etc. are the major causes of environmental pollution. Nearly 35 percent of India’s total land area is subjected to serious environmental pollution. Three fourths of the earth consists of water, yet there is is a scarcity of potable water. In India, all the sources of water like rivers, lakes, ponds and wells have been polluted and are unfit for drinking. As a result of the increased use of fertilizers, the rivers, seas and oceans have become contaminated with harmful pollutants. It is estimated that more than 500 tons of mercury enters the ocean every year. Oil slicks, pollution caused by the flow of industrial waste, sewage and fertilizer have also threatened the aquatic life.
Air Pollution, Water Pollution And Land Pollution
Industrialization has led to urbanization. The migration of rural population to the cities in search of work has created an unhealthy environment. It ha led to overcrowding, establishment of slum areas. Towns and cities are full of smoke, fumes, dirt, dust, rubbish, gases, foul smell and noise. Air, water and land pollution have further worsened the very survival of human beings.