Nowadays, Global warming is an incontrovertible fact, which proves that our planet and its climate are in trouble. Well global warming is a term that denotes a slow warming of the earth’s regular temperature. It was also named exclusively man-made effects, in particular carbon dioxide. Carbon dioxide has largely increased during the past forty years, and scientists concluded that the average earth temperature has increased solely based on man-made activities such as the burning of fossil fuels, respiration of living organisms, cultivation of land, decay of dead organisms and deforestation. The study of global warming involves many sciences in order to examine the causes of global warming and try to find possible solutions to reduce the impact of our society on the planet. (tropicalweather.net, December 10, 2008) In other research vice president Albert Gore (21st century) said that "Global warming will be the greatest environmental challenge in the 21st century." - Global warming affects the earth in many ways, rising sea level, glacier retreat, arctic reduction and malformed patterns of agriculture. Statistics show us that in the past few years global warming effects, are increasing dramatically and it will also be more dramatic in the future. According to tsunami in Asia, ice melting and its effects on polar bears (bill MOULAND, 2007) and Venice, Italy is beginning to have some trouble with the rising sea level, hurricanes and tornados. All those effects are due to the increase in the atmosphere weather caused by global warming. “Is global warming causing severe weather?” to answer this question we have to look closely to the natural disasters such as hurricanes and tornados. In recent times, hurricanes are becoming a great problem for many coastal villages and towns around the world. Scientists explain that hurricanes are caused by the evaporated water from sea level. According to Avery: “the computerized global climate models predict we’ll get more and bigger storms as the planet warm” which results severe weather situations. Avery explains that high temperature in the air is the fuel that leads to violent weather conditions and disasters are happening with greater power and regularity around the earth (Avery, n.d). Therefore, it is obvious that this fuel in the atmosphere is the consequence of human actions (fuels and other toxin) which lead to the heated atmosphere and hurricanes. Yet, there is an opposite view supposing that “the present hurricane surge is part of a 60 to 70-year cycle linked to natural effects” (Briggs, 2005), and has nothing to do with heated weather conditions. Unfortunately, no one can reject the fact that thousands of tons of mercury, guide, and other weighty metals are placed into the water and appear each year in the form of liquids and gases, which cause the sea temperature augment. Heavy metals, like pesticides, are long lasting and can extend over large areas. Algae and fish are vanished and natural processes of adsorption stops. These changes in biosphere resulted in global warming.
Tornados are another trouble caused by heated water, this fact was known that tornados are caused by temperature increase and storm chasing. He showed this fact saying that “the escalation in extreme weather conditions over the past two decades has led to an increase in the frequency and intensity of storm conditions” (carter, 2005). Some scientists describe tornados and storms as a result of changing weather conditions neglecting the influence of global warming on this procedure. They say: “when we look at the Mozambique floods, at the storms that hit France, at the absence of winters in Britain over the past few years, at the avalanches in the Alps, we are witnessing events that are now clearly ruined...
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