Environmental Hazards Essay Environmental Hazards Essay An environmental hazard is a threat posed by the natural or built environment to humans and the things that are valued in human society.
It is a paradox of our times that any development is accompanied by environmental degradation. There are various ways by which our environment gets polluted. Industrial development and its spread is one of the major causes of pollution.
It pollutes the air by releasing smell, smoke, fumes and dust in air, by discharging wastes in rivers, wetlands, realizing many injurious gases like sulphuric dioxide, nitrous oxide, carbon monoxide, chlorine, etc. Deforestation too leads to environmental degradation. All these affects the three basic amenities of life, air, water and land and this has serious repercussions on health.
Environmental pollution and health hazards are hand in glove with each other. To check these major efforts is required on the part of the administration and the citizens. In short, there is an urgent need for increasing public awareness for the conservation of environment.
Environmental pollution and health hazards caused by it, dates back to the history and progress of the human civilization. Earlier, pollutants in the form of gases, smoke, domestic wastes etc have given way to a wide variety of industrial waste ranging from toxic gases and heavy metallic oxides to a variety of man made compounds.
In the earlier times, the effect of pollution due to ignorance had taken the form of superstitions, the curse of the Almighty. It is only with the emergence of science that the real causes are continuously being identified and the remedial measures are being taken to control the causes and not just its symptoms.
Environment according to the Dictionary of Biology is the complete range of external conditions under which an organism lives including physical, chemical and biological factors such as temperature, light and the availability of food and water. Pollution which literally means to make or render unclean is an undesirable change in the physical, chemical and biological characteristics of the land, air or water that harmfully effect human life or that of the desirable species.
Air, water and land are the three basic amenities of life. Increase in population coupled with industrialization and urbanization has led to the contamination of these amenities with undesirable and harmful substances leading to health hazards.
Pollutants are basically of two categories namely, degradable and Nonie gradable. The degradable ones include domestic wastes and sewerage which decompose easily.
The non-degradable ones like inorganic compounds metallic oxides, plastic, radio active elements etc. Radiation Pollution, Noise Pollution. All these lead to a number of health hazards. Air as we know cannot be bound as compared to a source of water like a pond or a lake which can be isolated and checked.
This results in the spread of pollutants over wide areas, sometimes even countries in different continents as was in the case of the Chernobyl accident in the U. The sources of air pollution are: Zone, ash and an endless number of metal particles and gases; domestic pollutants from fossil fuels burnt by man; automobile exhausts: Air pollution causes the following health hazards: A number of gases for instance chlorine, sulphuric dioxide, hydrogen sulphide have a pungent odour and cause eye irritation, pulmonary congestion, bronchial problems etc.
The chlorine gas which le asked from the Shri Ram Fertilizers in Delhi affected in the said manner. Ozone causes skin cancer and is harmful for the eyes. Carbon monoxide, an odour less gas which has affinity with Hemoglobin-it enters into the blood stream and replaces oxygen from oxy hemoglobin and combines with it leading to concentration of carbon dioxide in the blood stream-causes headache, eye irritation nausea, breathing problems, unconsciousness and death.
Air is also polluted by fine dust particles emitted by the industrial units. It causes asthma- cough etc. Further, air also contains the spores or particles of harmful weeds, grass etc like Parthenium.
The congress grass causes skin irritation and cough among other things. The list is long and the effects drastic. Water, another basic necessity is highly polluted and causes endless health hazards.
The water pollutants include domestic sewerage, industrial waste like caustic soda, miraculous oxide, lignite, sulphuric, cyanides, ammonia etc. The health hazards caused by the water pollution are:Equal protection from environmental hazards for individuals, groups, or communities, regardless of race, ethnicity, or economic status.
Certain environmental health risks disproportionately affect poor people and people of color in the US. Each paragraph of the essay will describe the separate type of the environmental pollution.
Another suggestion is writing the pollution essay that highlights the consequences of pollution problems including the global warming effect, natural resources extinction, health problems of people and animals, the destruction of natural ecosystems, etc. Hire Writer; Plagiarism Checker; Free Papers; We will write a custom essay sample on Human Environmental Hazards specifically for you for only $ $/page.
We will write a custom paper sample on Human Environmental Hazards specifically for . Essay on Environmental, Hazards and Disasters. changes are value-neutral. But from the human perspective, these are value-loaded. There are some changes that are desirable and good like the changes of season, ripening of fruits, while there are others like earthquakes, floods and wars that are considered bad and undesirable.
(A) Hazards. Four Categories of Human Environmental Hazards Essay. Addressing: The Four Categories of Human Environmental Hazards Everest Online University EVS Environmental Science Professor Deborah Builder September 6th, The Four Categories of Human Environmental Hazards There are many exposures to hazards in our environment today that brings along the risk of an injury, different .
Environmental Health is the field of science that studies how the environment influences human health and disease. Environment," in this context, means things in the natural environment like air, water and soil, and also all the physical, chemical, biological and social features of our surroundings.