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LAND POLLUTION 2022 CJohnson.pptx
Here are the definitions requested: 1. Pollution is the introduction of contaminants into the natural environment that cause adverse change. A pollutant is a substance or thing that pollutes. 2. Land pollution is the accumulation of solid wastes and contaminants on land that cause harm to the environment or human health. 3. The main land pollutants are chemicals, solid waste, containers, and biomedical waste. 4. Biodegradable wastes come from plant or animal sources and break down naturally over time through decomposition. Non-biodegradable wastes like plastics do not break down and can persist for thousands of years. 5. Methods to control land pollutants include
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LAND POLLUTION 2022 CJohnson.pptx
- 1.
- 2. Guess how manytires, Styrofoam cups, soda cans and diapers are used and disposed of in American annually.
- 3. 220 million tires 25 billion Styrofoam cups 27.4billion disposable diapers 80 billion soda cans
- 4. LESSON OBJECTIVES AT THEEND OF THIS LESSON STUDENTS WILL BE ABLE TO ANSWER THE FOLLOWING: 1. RECALL A DEFINITION FOR POLLUTION AND POLLUTANT 2. WRITE A DEFINITION FOR LAND POLLUTION 3. CLASSIFY THE MAIN LAND POLLUTANTS 4. CLEARLY DISTINGUISH BETWEEN BIODEGRADABLE AND NON- BIODEGRADABLE 5. SUGGEST METHODS OF CONTROLING THE MAIN LAND POLLUTANTS
- 5. WHAT IS LAND POLLUTION? •Landpollution is the deterioration (destruction) of the earth’s land surfaces, often directly or indirectly as a result of man’s activities and their
- 6. NAME POLLUTANTS • MAKEA LIST
- 7. PLACE THE LISTEDMATERIAL INTO GROUPS (CHEMICAL SOLID WASTE CONTAINERS BIOMEDICAL WASTE ) • TOOLS • GLASS • GLOVES • OIL • STYROFOAM • GOWNS • GASOLINE Batteries Cars Rubber Needles Fertilizers Appliances Plastic Wound dressings Pesticides
- 8.
- 9. HOW DID YOU GROUPYOUR POLLUTANTS?
- 10. TYPES OF LAND POLLUTANTS ChemicalSolid waste Container s Biomedical waste Batteries Cars Rubber Needles Fertilizers Appliances Plastic Wound dressings Pesticides Tools Glass Gloves Oil Styrofoam Gowns Gasoline
- 11.
- 12. CHEMICALS Pollutant: Chemicals batteries, fertilizers, pesticides,oil, paint, gasoline Source: mixing hazardous waste with all other solid waste that goes to the landfill; littering
- 13. CHEMICALS Effects: •Seep into theground and contaminates the soil and ground water
- 14. CHEMICALS Suggested solution: •Institute ahazardous waste site; •Educate Bahamians on the danger of dumping hazardous materials into the landfill
- 15. SOLID WASTE Pollutant: SolidWaste •Solid waste: cars, appliances and tools Source: •Illegal dumping
- 16. SOLID WASTE Effects: •Destroys habitats;kills organisms that mistakenly eat it or get trapped in it; unsightly takes up space Suggested solution •Recycle; build artificial reefs; compact
- 17. CONTAINERS Pollutant: Containers •Rubber, plastic,glass, Styrofoam Source: •Littering
- 18. CONTAINERS Effects: •Destroys habitats •Causes fires •Killsorganisms that mistakenly eat it or get trapped in it •Unsightly
- 19. CONTAINERS Suggested Solution: •Reuse containers, •Recycle, •Buildartificial reefs, •Clean up events and •Impose fines for littering
- 20. BIOMEDICAL WASTE Pollutant: Medicalwaste Source: •Improperly disposed medical waste (solids, liquids, gloves, gowns, wound dressing)
- 21. BIOMEDICAL WASTE Effects: •Can spreadinfectious diseases Suggested solution: •Take to the biomedical waste factory
- 22. LAND POLLUTION •Solid wastesuch as plastic, paper ,metal and glass contribute to land pollution. •Land pollutants maybe classified a biodegradable or non-
- 23.
- 24.
- 25. BIODEGRADABLE WASTE •Biodegradable wastes originatesfrom plant or animal sources and is broken down in a relatively short period of time by natural agents such as decomposers, water , oxygen and UV rays (from
- 26. WHAT ARE EXAMPLESOF BIODEGRADABLE WASTE?
- 27. BIODEGRADABLE WASTE Examples: • Urine •Fecal matter • Agriculture residues • Paper (boxes, books. And paper containers • Wood • Sewage • Cattle dung • Animal bones • Natural fibers • Food (vegetable and plant stuff)
- 28. DEFINE THE TERMNON BIODEGRADABLE?
- 29. NON-BIODEGRADABLE WASTE •These wastetake thousands of years to decay or never decay at all. •They accumulate in the environment, creating disposal issues and overwhelmed landfills. •These waste are unsightly and
- 30. WHAT ARE EXAMPLESOF NON- BIODEGRADABLE WASTE?
- 31. NON-BIODEGRADABLE WASTE Examples: • PlasticsBags • Insecticides • Pesticides • Mercury • Lead • Metal articles such as aluminium cans, synthetic fibres, glass objects, iron products
- 34. REDUCE, REUSE &RECYCLE
- 35. •Reuse- this meansto use again, for the same or different purpose. REDUCING LAND POLLUTION •Reduce- buying only what is needed. •Recycle- separating waste into that which can be used to make new
- 36. ASSIGNMENT Plastic bottles are_________waste while rotting fruits and vegetables are ________________. * 2 points A. bioegrdable, B. non-biodegradable non-biodegradable, biodegradable
- 37. CREATE A TABLEILLUSTRATING TO EXAMPLES OF EACH
- 38. WRITE A SOLUTIONFOR REDUCING LAND POLLUTION IN THE BAHAMAS • ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ___________________________________.
- 39. WRITE ONE EFFECTWHEN CONTAINERS OR SOLID WASTE POLLUTE THE LAND. • ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ________________________________________
- 40. ASSIGNMENT 1. WRITE ADEFINITION FOR POLLUTION AND POLLUTANT 2. WRITE A DEFINITION FOR LAND POLLUTION 3. CLASSIFY THE MAIN LAND POLLUTANTS 4. CLEARLY DISTINGUISH BETWEEN BIODEGRADABLE AND NON- BIODEGRADABLE 5. SUGGEST METHODS OF CONTROLING THE MAIN LAND POLLUTANTS
Editor's Notes
- #14 Eventually affecting the health of living organisms in diverse ways depending on the chemical
- #24 Which would break down first? Which is biodegradable ?
- #25 Which would break down first? Which is biodegradable ?
- #27 Which would break down first? Which is biodegradable ?
- #29 Which would break down first? Which is biodegradable ?
- #31 Which would break down first? Which is biodegradable ?
- #32 Non- biodegradable waste such as most plastics, metal, rubbers and glasses are the main contributors to land pollution.
- #35 Reuse- this means to use again, for the same or a different purpose. Example: Bottles can be returned to the manufacturers so that they can be cleaned and refilled. Reduce- buying only what is needed and avoiding unnecessary materials Recycle- separating waste into that which can be used to make new products. Example: Scrap metal can be collected and melted down for reuse
- #36 Reuse- this means to use again, for the same or a different purpose. Example: Bottles can be returned to the manufacturers so that they can be cleaned and refilled. Reduce- buying only what is needed and avoiding unnecessary materials Recycle- separating waste into that which can be used to make new products. Example: Scrap metal can be collected and melted down for reuse