Essay on pollution 300 words
Answers
Explanation:
The word pollution refers to the introduction of contaminants (pollutants) into the environment, having an adverse effect on it. Pollution is caused mainly due to human induced factors like – industrialization, deforestation, inefficient waste disposal etc. Pollution can be further classified into various categories like – water pollution, air pollution, noise pollution, plastic pollution, land pollution, light pollution, radioactive pollution etc. Hence pollution is a phenomenon having adverse effect on our natural resources – water, air etc or on overall environment.
The word “pollution” indicates the presence on an unwanted foreign material into something. Hence, with reference to the earth, pollution means the contamination of our natural resources by different pollutants, produced mainly due to human activities. Today, pollution is the most significant issue that concerns the health of our environment.
Industries emanating toxic gases and insoluble waste, damage our natural resources of air, soil and water. There could be various examples of human induced pollutants, like – plastics, littering, radioactive contamination, soil contamination etc. Pollution must be dealt with immediately and globally as well. Natural resources, which we are losing due to pollution today, have been produced in millions of years and might take another Million to repair.
Answer:
This is the answer I hope it helps.
Explanation:
Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people worldwide.[2][3]
Major forms of pollution include air pollution, light pollution, litter, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, and water pollution. Urban pollution
The burning of coal and wood and the presence of many horses in concentrated areas made the cities the primary sources of pollution. The Industrial Revolution brought an infusion of untreated chemicals and wastes into local streams that served as the water supply. King Edward, I of England banned the burning of sea-coal by proclamation in London in 1272, after its smoke became a problem;[6][7] the fuel was so common in England that this earliest of names for it was acquired because it could be carted away from some shores by the wheelbarrow.
It was the Industrial Revolution that gave birth to environmental pollution as we know it today. London also recorded one of the earlier extreme cases of water quality problems with the Great Stink on the Thames of 1858, which led to the construction of the London sewerage system soon afterwards. Pollution issues escalated as population growth far exceeded the viability of neighbourhoods to handle their waste problem. Reformers began to demand sewer systems and clean water.[8]
In 1870, the sanitary conditions in Berlin were among the worst in Europe. August Bebel recalled conditions before a modern sewer system was built in the late 1870s:
Waste-water from the houses collected in the gutters running alongside the curbs and emitted a truly fearsome smell. There were no public toilets in the streets or squares. Visitors, especially women, often became desperate when nature called. In the public buildings, the sanitary facilities were unbelievably primitive. As a metropolis, Berlin did not emerge from a state of barbarism into civilization until after 1870."[9]
The primitive conditions were intolerable for a world national capital, and the Imperial German government brought in its scientists, engineers, and urban planners to not only solve the deficiencies but to forge Berlin as the world's model city. A British expert in 1906 concluded that Berlin represented "the most complete application of science, order and method of public life," adding "it is a marvel of civic administration, the most modern and most perfectly organized city that there is."[10]
The emergence of great factories and consumption of immense quantities of coal gave rise to unprecedented air pollution and the large volume of industrial chemical discharges added to the growing load of untreated human waste. Chicago and Cincinnati were the first two American cities to enact laws ensuring cleaner air in 1881. Pollution became a major issue in the United States in the early twentieth century, as progressive reformers took issue with air pollution caused by coal burning, water pollution caused by bad sanitation, and street pollution caused by the 3 million horses who worked in American cities in 1900, generating large quantities of urine and manure. As historian Martin Melosi notes, the generation that first saw automobiles replacing the horses saw cars as "miracles of cleanliness".[11] By the 1940s, however, automobile-caused smog was a major issue in Los Angeles.[12]
Pollution began to draw major public attention in the United States between the mid-1950s and early 1970s when Congress passed the Noise Control Act, the Clean Air Act, the Clean Water Act, and the National Environmental Policy Act.[16]
International catastrophes such as the wreck of the Amoco Cadiz oil tanker off the coast of Brittany in 1978 and the Bhopal disaster in 1984 have demonstrated the universality of such events and the scale on which efforts to address them needed to engage. The borderless nature of atmosphere and oceans inevitably resulted in the implication of pollution on a planetary level with the issue of global warming. Most recently the term persistent organic pollutant (POP) has come to describe a group of chemicals such as PBDEs and PFCs among others. Though their effects remain somewhat less well understood owing to a lack of experimental data, they have been detected in various ecological habitats far removed from industrial activity such as the Arctic, demonstrating diffusion and bioaccumulation after only a relatively brief period of widespread use.