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  • Types of Pollution
    Pollution exists in many forms and affects many different aspects of Earth’s environment. Point-source pollution comes from specific, locali...
  • Air Pollution
    Air Pollution, addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. O...
  • Soil Pollution
    Soil is a mixture of mineral, plant, and animal materials that forms during a long process that may take thousands of years. It is necessary...
  • Water Pollution
    Water Pollution, contamination of streams, lakes, underground water, bays, or oceans by substances harmful to living things. Water is necess...
  • Solid Waste
    Solid wastes are unwanted solid materials such as garbage, paper, plastics and other synthetic materials, metals, and wood. Billions of tons...