Waste Management

• Causes of pollution

  • More resources used + more waste produced due to rapid growth in human population and increase in standard of living
  • Waste and chemical materials not handled properly
• Types of pollution

  • Water pollution: From sewage, fertilizer or toxic chemicals
  • Air pollution: From smoke and acidic gases
  • Land pollution: From landfill and toxic chemicals
• Effects of Pollution

  Kills plants and animals, reducing biodiversity
• Effects of Sewage in the Water

  • sewage (released into rivers / lakes / seas)
  • causes algae to grow
  • algae block light
  • causing plants to die and decompose