Environmental Pollution

Environmental Pollution



Air pollution has always been with us. According to a 1983 article in the journal Science, "soot found on ceilings of prehistoric caves provides ample evidence of the high levels of pollution that was associated with inadequate ventilation of open fires." The forging of metals appears to be a key turning point in the creation of significant air pollution levels outside the home. Core samples of glaciers in Greenland indicate increases in pollution associated with Greek, Roman and Chinese metal production.

It was the that gave birth to environmental pollution as we know it today. The emergence of great factories and consumption of immense quantities of and other gave rise to unprecedented and the large volume of industrial discharges added to the growing load of untreated human waste. and were the first two American cities to enact laws ensuring cleaner air in 1881. Other cities followed around the country until early in the 20th century, when the short lived Office of Air Pollution was created under the Department of the Interior. Extreme smog events were experienced by the cities of and in the late 1940s, serving as another public reminder

Bad bouts of local pollution helped increase consciousness. dumping in the resulted in a ban by the on consumption of its fish in 1974. Long-term contamination at starting in 1947 became a national news story in 1978 and led to the legislation of 1980. Legal proceedings in the 1990s helped bring to light releases in the champions of whose victims became famous. The pollution of industrial land gave rise to the name a term now common in was banned in most of the developed world after the publication of Rachel Carson's

Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the i.e. physical systems or living organisms. Pollution can take the form of, such as noise, heat, or light. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as or The issues annually a list of the world's worst polluted places.