Global flooding is one of the most striking impacts of climate change that has hit various parts of the world, claiming many lives and destroying infrastructure. Increasing global temperature changes are causing melting of polar ice, increasing sea levels, and triggering extreme frequency and intensity of rain. All of these factors contribute to the increased risk of flooding in areas that do not normally experience such problems. Research results show that every year, floods affect millions of people. According to the latest report from environmental organizations, more than 200 million people worldwide are estimated to be affected by flooding every year. High-poverty regions such as Southeast Asia and Sub-Saharan Africa are more vulnerable, as infrastructure and early warning systems are often inadequate. Floods have a direct impact on human health. Stagnant water often becomes a breeding ground for diseases, such as malaria and dengue fever, causing public health crises. In addition, a lack of clean water after a flood can cause respiratory infections and digestive disorders. The economic impact of flooding is also significant. Damaged infrastructure requires very high repair costs. In many cases, affected small and medium-sized businesses are often unable to recover, leading to increased unemployment and economic vulnerability in society. A study shows that global economic losses due to flooding average billions of dollars every year. Agriculture is a sector that is greatly affected by global flooding. Waterlogged crops suffer significant damage, which reduces crop yields and threatens food security. Farmers who are already hard hit by climate change are having to struggle extra hard to adapt, creating new challenges for the global food system. In many countries, efforts to improve irrigation systems and regulate agricultural zones are still needed. Social interactions were also affected, with flooding prompting large-scale population displacement. Communities forced to leave their homes are faced with new problems, such as social integration and access to basic services. This adaptation process often creates tensions between local residents and refugees, adding to the complexity of the situation. Then, in the context of mitigation, increasing awareness of climate change and the impact of flooding becomes very important. Many countries are starting to implement mitigation and adaptation programs involving environmentally friendly technologies and better spatial planning. Local communities are also encouraged to be involved in the decision-making process to create more effective solutions. In the policy realm, global cooperation is the key to facing the flood challenge. International forums, such as the COP (Conference of the Parties) bring together countries to formulate appropriate strategies and policies in overcoming issues related to climate change and natural disasters. The success of flood management is also determined by the commitment and collective action of all countries, both developed and developing. With the impacts of climate change becoming increasingly evident, increasing vulnerability to flooding will become an inevitable challenge. Various efforts must be promoted to ensure that communities can survive and adapt to new climate conditions. Flood preparedness is an important issue, not only as a response to disasters, but as part of sustainable development in an ever-changing global era.
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