Abstract
The risks caused by climate change are worsening worldwide, and it is recognized that national and regional responses to climate change are essential. This study therefore explores climate change risks that have been recognized as fatal to people and the environment by analyzing multi-influence factors that appear in multiple risk indicators. The climate change risks in this study are based on 73 existing risk indicators; the frame data for multi-influence risk factors are based on 3098 newspaper articles published over 24 years on the impact of climate change in South Korea. The main outcomes for this study were finding climate change risk trend from newspaper articles regarding climate change impacts through text-mining, and figuring out the multi-risk indicators that are likely to occur at the same time with other risk indicators using network analysis. From the network analysis, we found that the major risk indicators have a high degree of interrelationship among risk indicators, including “increase in mortality rate from disaster”, “increase in flood areas due to coastal flooding”, and “destruction of repair facilities due to flooding (river bank, etc.)”. The main risk indicators derived from this study can therefore be used as a reasonable standard when identifying the main risks posed by climate change and defining future adaptation planning priorities.
Highlights
IntroductionClimate change risk management is intended to reduce the probability of incidents and trends and to reduce risk consequences by adjusting for hazards, vulnerability, and exposure
After analyzing climate change drivers by text mining 3098 newspaper articles, it can be confirmed that the climate change impact of typhoons (1224) and heavy rain (1789) were higher than those of other drivers
The risk frequency for the human system was overwhelmingly higher than the risk frequency for the ecosystem. This may reflect the nature of newspaper coverage, but it shows how climate change risk is understood through data quantified by the degree of risk, depending on climate drivers
Summary
Climate change risk management is intended to reduce the probability of incidents and trends and to reduce risk consequences by adjusting for hazards, vulnerability, and exposure. It should be possible to reduce climate change risk by adjusting vulnerability and exposure, even given the same climate change impact in future. [17] have argued that the main driver of increased economic losses from future natural hazards in Europe is the increased risk to capital, and not an increase in the intensity or frequency of natural hazards. This is a global issue, not just a European one. It plays a critical role in managing exposure, which can cause a lot of physical damage
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