2015年4月20日星期一

Could we save our habitat-Sea Level Rise Problem

Could we save our habitat-Sea Level Rise Problem

  Accelerated sea-level rise is one of the more certain consequences of greenhouse-induced climate change and would have many adverse impacts on the world’s coastline. The main reason which contributes to this phenomenon is the melting of ice sheets and glaciers (generally due to the global warming). 
  Nowadays, the argument of a global issue— sea-level rise constantly exists among the world. Because of the global climate change, the global temperature increases causing the melting of ice sheets and glaciers. However, there is a fact that should be noticed, the melting of marine surface ice do not directly contribute sea-level rise, on the contrary, the sea-level could fall because of the high marine salt concentration.
According to the 2013 IPCC report, it indicated that there is high possibility that the rate of sea level rise has increased during the last two centuries, and it is expectable that GMSL (Global Mean Sea Level) has expedited since the early 1900’s.

  As the increasing concern of this problem, we should find the solutions to mitigate the sea level rise. First we should understand the causes which lead to the issue. It is acknowledged that climate change is the major reason which may be responsible for the issue. If we can mitigate the climate change which focuses on the global warming, thus we can mitigate the sea level rise. How to solve this issue? There are some possible responses to global warming:
  • Reduce greenhouse gas (GHG) emissions
  There are many activities which may help to reduce the emission including: energy conservation and increased energy efficiency; the use of low-carbon energy technologies, such as renewable energy and nuclear energy.
  • Policies to reduce the global warming
  Our government or international organisations should implement the related polices to limit the industry to release less polluted air which may increase the air temperature.
  • Climate engineering
  This is also known as 'geoengineering' which is the deliberate modification of the climate.

  From those methods above, we could save our habitat from sea level rise. 




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