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Wednesday, 20 November 2013

Global climate Change

Global climate change is an instantaneous and significant issue that ought to be addressed by all inhabitants multilaterally. Climate change is a lasting change in the distribution of weather patterns over a time period varying from decades to a million of years. It may be a modification in average weather situations, or in the allocation of weather. Global climate change is originated by factors such as oceanic processes, plate tectonics, variations in the solar radiation, volcanic explosions and human provoked alterations of the natural world.
It is very important to get to know about the global climatic change. The world must be aware of the problems it can cause.  Today the world is facing issues related to global change. It is a major threat to human beings. The leaders all around the world have been in constant discussions and debate.  These conferences are held so as to minimize its effect on the earth.  Noteworthy changes in the temperature are a part of the outcome of global change. It is hence probable that the weather will increase day by day. The weather will constantly become warmer due to this global change. This increase may threaten the Antarctic ice to melt and flow directly into the oceans which will raise the sea levels.
It must be understood that the global climatic change is at a critical and serious level, if it is not controlled or if we would not do anything worthy for this change than it can be said that a global catastrophe is unavoidable. It can be easily observed that now frequent typhoon, cyclones, storms and freak weather circumstances are already being felt in different areas of the world. This will persist to demolish the lives and destroy the homes and living. If people will not take care and control the climatic situations by decreasing the use of such gases, which increases the global warming than eventually the world, will face a huge threat. Thus, it is very important for people to be aware of the global change so that such activities must be adapted which will ensure that the climatic conditions of earth gets better. Now it is the duty of every citizen to take care of the earth and stop using such materials, which will increase global warming. (Ernest, 2011)

There are many possible effects of the climatic change. All the possible predictions of global climate change are observed to be negative. This change has up till now not shown any positive effects. The effects of climate include rising of temperature and sea-levels, reduction of glaciers, changes in variability and distribution of animals and plants, changing precipitation patterns, and more intense heat waves are likely to deteriorate if the nations do not decrease their greenhouse gases. The global challenge of climatic change represents both security and a financial threat to the world. Regular heat waves are also observed, which in combination with the hot temperatures affect the human health. Some other drastic effects caused by global change of climate are the rising of temperatures of large lakes, heavier rainfall that causes flooding and extreme drought conditions. (NASA) Crops are being withered which also a serious effect is caused by global warming. This results in low productivity, which will ultimately result in food shortage. Agriculture is expected to be susceptible to global warming. (Richard et al., 1990) The ecosystems are constantly changing. Seawater is becoming more and more acidic which threatens the marine life. (Sharon & Karen, 2002)
References

Prof Ernest Zebrowski, Jr. (2011), Global Climate Change, Charlesbridge Publishing

The current and future consequences of global change, NASA, retrieved from, http://climate.nasa.gov/effects

Richard M. Adams, Cynthia Rosenzweig, Robert M. Peart, Joe T. Ritchie, Bruce A. Mccarl, J. David Glyer, R. Bruce Curry, James w. Jones, Kenneth J. Boote & L. Hartwell Allen Jr. (1990), Global Climate Change and US Agriculture
Sharon L. Spray, Karen Karen Leah McGlothlin (2002), Global Climate Change, Rowman & Littlefield 

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