Waste Management

• Why has there been an increase on waste pollution?

  • population growth
  • standard of living
• Water pollution

  • sewage containing urine and faeces
  • polluted fertilizers from farms
  • toxic chemicals from factories
  • this untreated water is accidentally released into rivers and streams
• How do fertilisers and untreated sewage contribute to harming aquatic organisms ?

  they cause a decrease in dissolved oxygen levels killing aquatic organisms
• How do toxic chemicals contribute to a decrease in biodiversity?

  Toxic chemicals from factories cause a decrease in aquatic ecosystems
• How does human activity lead to a decrease in biodiversity?


  Burning coal releases smoke from power stations which can release acidic gases and

  can also cause acidic rain these both lead to air pollution and a decrease in biodiversity
• How does dumping waste in landfills contribute to a loss of biodiversity?

  Destroy habitats of plants and animals
• How else can landfills contribute to a loss in biodiversity?

  • Toxic chemicals can leach out of landfills and pollute the soil
  • Toxic chemicals that is directly dumped onto land can kill living organisms
  • Reducing biodiversity you should always dispose without harming the environment