The impact of global flooding on environmental sustainability is very complex and permeates various aspects of ecosystems and human life. Floods triggered by climate change, extreme weather and human activities are becoming more frequent throughout the world. This phenomenon has a significant impact on water quality, biodiversity and soil, and impacts food security and public health. One of the biggest impacts of flooding is pollution of water sources. When floods strike, the water can carry industrial waste, dangerous chemicals, and pathogens from the submerged areas. This not only threatens clean water quality, but also affects aquatic ecosystems, causing mass deaths of fish and other aquatic organisms. In addition, floods can damage water treatment infrastructure, which is often unable to handle sudden changes in water volume, thereby exacerbating the clean water crisis. In terms of biodiversity, floods can destroy the natural habitat for many species. Forests, wetlands, and coastal ecosystems are all susceptible to major changes when impacted by high volumes of water. Many endemic species may lose their homes, and with the loss of biodiversity, the ability of ecosystems to recover from other environmental impacts is also reduced. For example, changes in vegetation growth patterns caused by waterlogging can change food chains and overall ecosystem interactions. The impact of flooding also extends to the agricultural sector. Paddy fields and fields can be submerged in water, affecting crop yields and causing significant economic losses. Uncertainty in weather patterns makes agricultural planning more difficult, threatening global food security. In some cases, recovery from flooding can take years, depending on the depth of the inundation and the nature of the affected soil. Apart from the physical impact, global flooding has direct implications for public health. In addition to the risk of disease spreading through contaminated water, flooding also increases the potential for mental health problems. The uncertainty and losses caused by this disaster can increase rates of depression and anxiety among the communities involved. To overcome the impacts of these floods, many countries are starting to develop better adaptation policies. Building green infrastructure, such as artificial wetlands and parks, can help manage water flows and build ecosystem resilience. In addition, the use of more sophisticated technology in weather monitoring and forecasting is very important to minimize losses caused by flooding. Public education about flood risk mitigation is also very necessary. This awareness encourages communities to take proactive steps in environmental protection, as well as prepare for possible natural disasters in the future. Encouraging the application of sustainability principles in every aspect of daily life is an essential step to minimize the environmental impact of flooding. Thus, it is important to understand and respond to the impact of this global flood with a comprehensive approach to maintain environmental sustainability.