Literature on natural disasters and climate change


...Start of the Literature on natural disasters and climate change...

Natural disasters and global climate change . The research topic is natural disasters and global climate change. Changes in climate not only affect average temperatures, but also extreme temperatures, increasing the likelihood of weather-related natural disasters. If global climate change causes the global average temperature to rise, there will be less cold weather, and a greater probability of hot and record hot weather. An increase in temperature variability will extend the extremes of temperature, both cold and hot. It is a globalization problem happened in all over the world. The global climate change and natural disasters have impacts on natural resources and the environment. The following three articles will give a more detail understanding of the natural disasters and global climate change.


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Methods &Theory The article begins by showing some example of natural disasters had happened, and these impacts for people and countries development. And the authors also state ‘global warming is expected to lead to an increase in both the severity and the frequency of climate-related disasters’ (Bergholt &Lujala, 2012) . The authors discuss the effect of climate-related disasters at the economic aspect with recent research. Then the authors present their hypotheses-‘H1: Climate-related disasters have a negative effect on economic growth; H2: negative income growth shocks caused by climate-related disasters increase the likelihood of armed civil conflict onset’ (Bergholt &Lujala, 2012). Using Econometric methods with data help analysis the hypotheses, and with consideration on the variables, such as economic growth and armed civil conflict, only use the data during the period 1980-2007. The authors assess the results and found that ‘climate-related natural disasters have a negative effect on growth and that the impact is considerable’ (Bergholt &Lujala, 2012). This has two important implications: ‘if climate change increases the frequency or makes weather-related natural disasters more severe, it is an economic concern for countries susceptible to these types of hazards’ (Bergholt &Lujala, 2012).


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The human actives influence the climate change, the climate change causes natural disasters. The most common one is global warming, people always link climate change with global warming, however, global warming is not the only consequence of the climate change. From the selected articles, we can find that climate change will also increase the frequency of extreme weather events occur. From the long-term trend, it will have a local climate change in each region. Indeed, many of the world’s extreme weather happened in these years, some astronomy, as well as El Nino, ocean circulation weather these have occurred. There are also many events in New Zealand, like the strong breeze, heavy snowfall. For the climate change adaptation and disaster risk reduction, we should prepare the most fundamental preparation, reduce the damage made by human activities. Moreover, when there are some special natural disaster that cannot reduce or block by human behavior, we need to understand how to response the emergency.


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