To decide whether tougher legislation should be implemented, one must first understand the details of what exactly acid rain is. Acid rain is a result of mankind's carelessness. It travels a long one of the most efficient biogeochemical cycles on earth, the Hydrologic Cycle. This allows acid rain to distribute itself further away from it's source causing more than local problems. Sulfur Dioxide (SO2) is released by fossil fuels when they undergo combustion.
Acid rain is the deposition of dry (acidifying gases and particles) and wet (snow, rain, fog, sleet, dew or cloud water) acidic components. Acid rain has many negative effects in the world including harm to wildlife, humans, trees, agriculture, and even architecture. If pollution, the major cause of acid rain, were reduced, the amount of acid rain would decrease significantly. Acid rain is formed when the acids from combustion are released into the atmosphere. During combustion, nitric oxides and sulfur dioxides are converted into nitric acid and sulfuric acid.
The interaction between the water droplets and the carbon dioxide in the atmosphere, and to a lesser extent, from chlorine which is derived from the salt in the sea, gives rain an average pH of about 5.6, making even clean rain slightly acidic. Other natural sources of acids and bases in the atmosphere may lower or raise the pH of unpolluted rain. However, when rain contains pollutants, especially sulfur dioxide and nitrogen oxides, the rain water can become very acidic. Acid rain does not account for all of the acidity that falls back to earth from pollutants. About half the acidity in the atmosphere... ... middle of paper ... ...cellent idea.
Umar Farooq Professor Gennifer Marconette English Composition I 7 April 2014 In 1872 a scientist English Robert Angus Smith observed that acidic perception could damage the plants and materials and he coined a term “acid rain” for it. Acid rain wasn’t considers threat to environment until 1970 scientist observed rise of acid levels in streams and lakes. Acid rain is caused when chemical compounds like sulfur dioxide and nitrogen dioxide are released. They go up into the atmosphere and react and mix with oxygen, water and other chemicals in the air and form acidic pollutants. Both sulfur and nitrogen dioxide are water soluble and can easily carry with wind and become part of rain.
The major contributors of acid rain are the oxides of sulphur and oxides of nitrogen. These oxides released through pollutants settle in the atmosphere. They then combine with the moisture in the atmosphere to form acid rain. The acid rain thus collected in the cloud gets released along with the raindrops of normal water thereby forming acid rain [J.N.B Bell, 1981] .The rain water that pours down will obviously contain the most harmful sulphuric acid and nitric acid. The effects created by this acid rain unimaginable.
Acid Rain The topic of this paper is acid deposition, also known as acid Rain. Acid rain is precipitation, as rain, snow or sleet containing relatively high concentration of acid forming chemicals. As the pollutants from coal, smoke, chemical manufacturing, and smelting, that have been released into the atmosphere and combine with water vapor, the harmful deposition is created (http://dictionary.reference.com/browse/acid+rain). Acid rain affects many things greatly. Acid rain affects many different things and is very harmful to the environment.
Acid rain is a form of precipitation that contains high levels of sulfuric or nitric acids. In simple terms, acid rain is hail, rain, snow, or sleet that is more acidic than normal. Precipitation naturally is a little acidic but when the pH level drops below a set standard it is acid rain. In general, acid rain is a very complicated problem that is caused by many factors. In this paper, I will discuss how emissions caused by humans effect pH level in precipitation.
Nowadays, most if not all countries follow the international policy issued by the Convention on Long-Range Transboundary Air Pollution (CLRTAP) (Forster). In my opinion, issuing an international policy to limiting one precursor pollutant at a time and to use biofuels or alternative means instead of those that produce the precursor pollutants to reduce or even solve the acid rain problem. Acid rain is defined as the phenomenon which sulfur dioxides and nitrogen oxides undergoes complex chemical processes and may dissolve in rain droplets to form sulfuric and nitric acids (Willyard). Due to sulfur dioxides and nitrogen oxides production of acid rain, they are considered the primary pollutants also known as the precursor pollutants. Sulfur dioxides and nitrogen oxides are also emitted when natural gas, coal, and oil are burn.
Acid rain is a detrimental issue that needs to be stopped before it causes more damage to our environment. Acid rain is caused by carbon dioxide, sulfur dioxide and nitrogen oxide mixing with the water molecules in the atmosphere, which can form mild solutions similar to carbonic, sulfuric, and nitric acid . Carbon dioxide is the highest cause of acid rain from natural causes due to it being environmentally present in higher concentrations than the others. Water will react with carbon dioxide in the air to form carbonic acid. The acid can then readily dissociate to give a positive hydrogen ion and a hydronium carbonate ion, therefore being able to lower the pH of rainwater, however not dangerously.
On the contrary, areas with dry weather are susceptible to dry deposition; this is when acidic chemicals combine with smoke or dust and fall to the ground. Dry deposited particles adhere to trees, buildings, cars, and other objects. Then, the particles are washed away by rain and result in more acidic runoff (U.S. Environmental Protection Agency). All rain is slightly acidic, because carbon dioxide in the air reacts with water to form a carbonic acid. As a result, normal rain has a pH of about 5.6, and any form of precipitation with a pH below that number can be considered acid rain (Chappelka 1).