Natural catastrophes, Part of Climate Change Presentation.pptx

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1. Natural catastrophes: Part of climate change Suma Sarkar Md. Imranul Shahid

2. Content Introduction What are Natural Catastrophes? Causes of Natural Catastrophes. Climate Change. Climate Change and Natural Catastrophes Evidence of Climate Change Including Natural Catastrophes Mitigating The Effect of Natural Catastrophes Caused by Climate Change Conclusion 2

3. Introduction

4. Introduction Climate change and natural catastrophes are two connected problems that present major challenges for humanity. Natural disasters including hurricanes, earthquakes, tsunamis, wildfires, and floods are serious and unanticipated events. On the contrary, climate change refers to long-term modifications in the planet's climate that are a result of human activity, particularly the emission of greenhouse gases that warm the planet's atmosphere and trap heat in the atmosphere. 4 6/22/2023 Add a footer

5. Climate Change and Natural Catastrophes

6. Natural Catastrophes Natural disasters are large-scale, frequently catastrophic phenomena that happen naturally, without human involvement. Earthquakes, hurricanes, tsunamis, floods, droughts, wildfires, and other extreme weather phenomena are among these occurrences. Natural disasters have the potential to destroy large portions of infrastructure, as well as homes, businesses, and even entire communities. The unpredictable nature of catastrophic events makes it difficult for governments and other organizations to plan ahead to effectively respond. They can have devastating consequences on both human and natural systems, and their effects can be felt for years or even decades after the event. 6 6/22/2023 Add a footer

7. Climate Change Long-term changes in the Earth's temperature are known as climate change, and they are mostly brought on by human activities like the burning of fossil fuels and deforestation. Various implications of this change include increasing sea levels, more frequent and severe weather events, and changes in ecosystems and biodiversity. In recent years, climate change has delivered chaos to various sectors around the globe both directly and indirectly. Climate change also poses a vulnerability to the watershed and its various components. The watershed vulnerability assessment is one approach that can identify the exposure, sensitivity, and adaptive capacity of watersheds and adopt solutions to counter the changing climate. [1] 7 6/22/2023 Add a footer

8. Factors of Natural Catastrophes and Climate Change Natural Catastrophes Geological Factor: Earthquake, Volcano eruptions, landslides Meteorological Factors: Hurricanes, Tornadoes Hydrological Factors: Floods, droughts Human Factor: Deforestation, urbanization Climate Change Greenhouse gas Industrialization Inorganic fertilization in Agriculture Transportation Deforestation 8 6/22/2023 Add a footer

9. Impacts of Climate Change on Natural Catastrophes

10. Climate Change and Natural Catastrophes Climate change can have significant impacts on natural catastrophes in the following ways: As the Earth's oceans warm due to climate change, the frequency and intensity of hurricanes and typhoons are likely to increase. Warmer water provides more energy for storms to grow and intensify, and rising sea levels can exacerbate storm surges and flooding. Climate change can also increase the frequency and intensity of flooding in several ways. Warmer air can hold more moisture, leading to heavier rainfall and increased flood risk. Additionally, melting glaciers and ice sheets can raise sea levels, which can lead to more frequent and severe coastal flooding . Droughts and hotter temperatures , both of which are associated with climate change, can increase the risk of wildfires . Higher temperatures can make fire conditions worse and make drier plants more prone to igniting. As the Earth's average temperature increases due to climate change, heat waves are becoming more frequent and intense. High temperatures can cause health problems and even death, particularly for vulnerable populations such as the elderly and young children. 10

11. Evidence of Climate Change Included Natural Catastrophes

12. Hurricane Katrina Hurricane Katrina was a devastating Category 5 hurricane that struck the Gulf Coast of the United States in 2005, causing significant damage and loss of life. According to the National Hurricane Centre, the hurricane caused an estimated $125 billion in damage and claimed the lives of more than 1,800 people. [1] 12

13. California Wildfires The California wildfires in 2018 were some of the most destructive in the state's history. The Camp Fire became the deadliest and most destructive wildfire in California's history, killing 85 people and destroying over 18,000 structures. The New York Times reported extensively on the wildfires and their impacts, including their causes and the response by local and state authorities. [2] 13

14. European Heatwaves In 2019, Europe experienced two significant heatwaves, one in late June and another in late July and early August. According to data from the European Centre for Medium-Range Weather Forecasts, the heatwaves broke temperature records across the continent. During the late-July heatwave, several countries, including France, Belgium, the Netherlands, Germany, and the United Kingdom, recorded their highest-ever temperatures. For example, Paris reached a temperature of 42.6°C (108.7°F) on July 25, 2019, breaking the previous record by more than 1.5°C (2.7°F). These heatwaves were linked to climate change and are expected to become more frequent and severe in the future. [3] 14

15. Mitigating the Effect of Natural Catastrophes Caused by Climate Change

16. Mitigating the Effect of Natural Catastrophes Caused by Climate Change Mitigating the effects of natural catastrophes caused by climate change requires a multi-faceted approach that includes both mitigation and adaptation strategies. Reducing greenhouse gas emissions Improving land use management Developing early warning systems Building resilient infrastructure Investing in emergency response and recovery 16

17. Conclusion

18. Conclusion In conclusion, natural catastrophes such as hurricanes, floods, wildfires, and heatwaves are an increasingly common part of the global climate change phenomenon. The rise in temperatures caused by human activities is causing changes in precipitation patterns, sea level rise, and an increased frequency and intensity of extreme weather events. The impact of these events is far-reaching and can lead to significant damage to human life and property. It is clear that mitigating the effects of climate change and natural catastrophes requires a multi-faceted approach that includes both mitigation and adaptation strategies. Governments, businesses, and individuals must work together to reduce greenhouse gas emissions, improve land use management, develop early warning systems, build resilient infrastructure, and invest in emergency response and recovery. By taking these actions, we can reduce the impact of natural catastrophes and help protect our planet for future generations. 18

19. Reference 19 6/22/2023 Add a footer [1] A. David Raj, J. G. Kalambukattu , S. Kumar, and U. Chatterjee, “Geospatial Approach in Watershed Vulnerability to Climate Change and Environmental Sustainability,” Springer Climate , pp. 271–310, 2022, doi : 10.1007/978-3-031-15501-7_11/COVER. [2] “Hurricane Katrina | Deaths, Damage, & Facts | Britannica.” https://www.britannica.com/event/Hurricane-Katrina (accessed Apr. 29, 2023). [3] “California Says PG&E Power Lines Caused Camp Fire That Killed 85 - The New York Times.” https://www.nytimes.com/2019/05/15/business/pge-fire.html (accessed Apr. 29, 2023). [4] “Human contribution to record-breaking June 2019 heatwave in France – World Weather Attribution.” https://www.worldweatherattribution.org/human-contribution-to-record-breaking-june-2019-heatwave-in-france/ (accessed Apr. 29, 2023).  

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