Global flooding is an increasing phenomenon and a major concern in discussions about climate change. This phenomenon creates significant impacts on the environment, economy and society throughout the world. There are several main causes that contribute to these floods, all of which are related to climate change and human activities. The first cause is an increase in extreme rainfall. Climate change causes weather patterns to become erratic, increasing the frequency and intensity of rain. This can cause rivers to overflow, especially when the affected areas do not have adequate drainage systems. In addition, global warming causes melting of polar ice, which also increases the volume of water in oceans and rivers. The second cause is deforestation. Forests function as a buffer that absorbs excess water. When forests are cut down, their ability to facilitate water absorption is reduced, causing rainwater to flow quickly into water bodies and increasing the risk of flooding. Loss of vegetation also exacerbates soil erosion, resulting in sediment entering rivers, making them overflow more quickly when it rains. The third cause is related to rapid urbanization. Many cities have developed inadequate infrastructure to handle water flows. Concrete and asphalt hinder water absorption, making puddles more common. Additionally, many families living in flood-prone areas do not receive early warning or adequate assistance. The impacts of global flooding are extensive and destructive. The agricultural sector, for example, was badly affected, causing huge economic losses to farmers. Floods can destroy crops and result in loss of food sources. Additionally, floods often cause damage to basic infrastructure, such as bridges, roads and buildings, requiring large investments in repairs. The health impact is also a major focus. Flooding often causes clean water to be contaminated with pathogens, increasing the risk of infectious diseases such as cholera and thyroid fever. The most vulnerable communities are often those with limited access to health services and other resources. Not only that, global flooding also has an impact on human migration. Many people were forced to leave their homes, creating a wave of refugees and social stress in new places. This can lead to social and political conflict, exacerbating instability in various regions. Facing this challenge, many countries are starting to think about mitigation measures to reduce the impact of flooding. Increasing green infrastructure, such as rain gardens and better drainage systems, is an important priority. Public education about disaster preparedness must also be improved, so that the community can minimize the impacts. With a better understanding of the causes and impacts of global flooding, collective action can be taken to reduce risks and build resilience for future generations.