How Flooding Events Increase Runoff and Waterway Contamination
A warmer climate allows the atmosphere to hold more moisture, leading to heavier rainfall and intense flooding events. In urban and agricultural areas, floodwaters collect pollutants such as oils, fertilisers, heavy metals, plastics, and organic waste. These contaminants are washed into rivers, lakes, and coastal waters, overwhelming natural filtration processes. The sudden influx of pollutants often leads to oxygen depletion, ecosystem damage, and fish kills, significantly degrading water quality after extreme rainfall events.
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