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How many of us are affected due to climate change?
As per the journal publication "Global Hotspots of Climate-related Disasters" (June 2024) [1] climate-related disaster events directly impacted over 44 % of the global population in 2020. The climate related disasters are drought, riverine flood, tropical cyclone, flash flood, land slide and mudslide, wildfire and heatwave. Droughts have affected the most people, with over 1.4 billion, followed by riverine floods, which have affected more than 1.2 billion. The percentage of the population impacted understandably decreases with an increase in Human Development Index.
Climate-related disasters affected substantially less people in European countries than in Australia, Africa, North America, Asia, and South America. The low percentage of individuals harmed by climate-related disasters in countries with high levels of Human Development Index, as well as in European countries, could be attributed to people's ability to execute adaption techniques.
Climate-related disasters have touched more than 100% (cumulative percentage) of people in 19 nations, indicating that vast numbers of people in certain countries, particularly in the Caribbean, Africa, and Asia, have been affected year after year. This recurring impact most likely indicates that adaptation efforts in those countries have fallen short in assisting people and ecosystems to adjust to climate change.
Due to 205 climate disaster related events (mostly riverine flood, heatwave, flash flood and land slide) in India between 2000 and 2020, more than one billion Indians were impacted. India ranked 131 out of 189 countries in the Human Development Index in 2020 and 134 in 2022.
1. https://www.sciencedirect.com/science/article/pii/S2212420924002504
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