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LOI 1 - Causes and Effects of water pollution (Function) - Coggle Diagram

- - - - plastic and garbage can harm marine life and human health Fish may eat trash mistaking it for food and end up dying
      - After being used, water becomes wastewater. Wastewater can be domestic, such as water from toilets, sinks, or showers, or from commercial, agricultural, or industrial use. Wastewater also refers to rainwater that washes oil, grease, road salt, debris, or chemicals from the ground into waterways.
      - The UN estimates that 80% of wastewater returns to the ecosystem without being treated or reused.
        
        In 2017, the UN found that 2 billion people worldwide did not have access to facilities such as toilets or latrines. The organization also discovered that 673 million people openly defecate outside.
        
        polluted water is toxic water that cannot be drunk or used.
        
        Big factories are notorious for dumping chemicals into the ocean. Highly toxic substances such as detergents, polychlorinated biphenyls, and lead are discharged into our environment every day.
        
        Use of pesticides in agriculture: farms and agriculture discharge large amounts of chemicals, fertilizers, organic matter and other waste into the water.
        
        Deforestation: this causes bacteria and sediments to emerge under the soil, consequently causing the groundwater to become contaminated.
        
        Oil spills: spills of oil and its derivatives are due to poor transportation and filtration of products such as fuel, which is usually stored in underground tanks.
        
        Industrial waste: there are still a large number of companies around the world that pour inadequately treated waste into rivers or seas.
- - - - Around 2 billion people live in countries with high levels of water stress, meaning the amount of water available is less than the amount required
      - 850 million people don’t have access to clean drinking water