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Soil Pollution.pptx

  1. 1. JAIPUR NATIONAL UNIVERSITY SEEDLING SCHOOL OF NURSING PREPARED BY- (Prof.) Dr. Rahul Sharma HOD of Mental Health Nursing Ph.D. Coordinator Seedling School of Nursing
  2. 2. Causes, Effects, and Prevention of Soil Pollution
  3. 3. Causes, Effects, and Prevention of Soil Pollution? • Soil Pollution Definition, Causes, Effects, and Prevention
  4. 4. Soil Pollution Introduction Soil pollution is the contamination of soil with harmful substances It occurs when humans add too many chemicals to the soil; This can happen through careless disposal of waste, intensive farming practices, or even natural disasters Minerals comprise the largest component of soil, accounting for approximately 45%, followed by air and water, each comprised 25%, and organic matter, which constitut
  5. 5. What Are the Causes of Soil Pollution? • Please remember, there are many causes of soil pollution, but we have gathered only the main and severe ones here
  6. 6. Oil Spills And oil spill can be explained as releasing a liquid petroleum hydrocarbon into the environment, especially in the ocean/marine ecosystem When an oil tanker leaks oil into the environment, the oil can seep into the ground and contaminate the soil Oil spills can also cause water pollution if the oil contamination spreads to nearby waterways, eventually contaminating the soil
  7. 7. Mining Non-Eco-friendly mining contributes to many industrial and human activities Mining processes release chemicals into surface water or groundwater, which are then mixed with soil to cause soil pollution When mining operations extract minerals and other materials from the earth, they can disturb and damage the surrounding soil
  8. 8. Acid Rain Both natural and human-made reasons can lead to acid rain It is caused when rainwater absorbs pollutants from the atmosphere, including sulfur dioxide and nitrogen oxide Acid rain can damage vegetation, reduce crop yields, and make the soil less hospitable for plant growth
  9. 9. Intensive Farming First, the overuse of agrochemicals such as pesticides and herbicides can contaminate the soil Second, the over-grazing of livestock can strip away vegetation, leaving the soil exposed to erosion Third, the use of heavy machinery can compact the soil, making it harder for plants to grow
  10. 10. Industrial Accidents One of the causes of soil pollution is industrial accidents These can include oil spills, chemical leaks, and even mining accidents These materials can contaminate the soil and water, making it unsafe for plants and animals to live; This unfortunate or unwanted experience can cause a threat to life, injury, or disease
  11. 11. Human Waste Domestic waste, which is not biodegradable, is spread by humans in the environment When people don’t properly dispose of their waste, it can end up in the soil This can contaminate the soil and make it dangerous for plants and animals
  12. 12. Nuclear Waste Nuclear waste is highly toxic to our environment It also contains various chemicals that are not good for the soil; it decreases soil fertility and causes soil pollution Nuclear waste can also take thousands of years to break down, so it can continue to pollute the environment and soil for a long tim
  13. 13. Landfills Landfills are one of the causes of soil pollution When garbage is dumped in a landfill, it decomposes and produces leachate, a liquid that can contaminate the soil and groundwater Landfills also release methane gas, a greenhouse gas contributing to global warming
  14. 14. Deforestation When forests are cleared for land development, the natural vegetation that once held the soil in place is removed Trees play an essential role when flood and heavy rain occurs The roots of trees help to hold the soil in place, preventing erosion
  15. 15. Fertilizers When fertilizers are used, they release nutrients into the soil that plants can take up However, if there is an excess of synthetic fertilizer in the soil, it can lead to soil erosion Human uses it in an extra amount which can make the soil acidic; This ultimately leads to agricultural pollution
  16. 16. What Are the Effects of Soil Pollution? There are numerous effects of soil pollution; we have gathered major and severe ones
  17. 17. Severe Health Effects on Humans Soil pollution can affect human health in various ways For example, exposure to contaminated soil can lead to skin irritation, nausea, vomiting, and diarrhea Therefore, soil pollution is a severe problem that should not be taken lightl
  18. 18. Bad Effects on Plants When the soil is contaminated again and again because of those poisonous chemicals and materials, there will be a time when it will stop supporting plant life in it The soil will lose its productivity and the ability to grow plants The pollutants can damage the roots and make it difficult for the plant to take in nutrients; This can lead to poor growth and poor plant health
  19. 19. Effects on Microorganisms Soil pollution has a variety of effects on microorganisms The most direct effect is the contamination of soil with toxic chemicals, which can kill or inhibit the growth of microorganisms Soil pollution can also change the structure and function of microorganisms in the soil, making them less able to perform essential ecosystem functions such as decomposition and nutrient cycling
  20. 20. Effects on Economic Activities One effect is that it can lead to decreased crop yields/production; This happens because polluted soil doesn’t have the same nutrients as healthy soil Soil pollution can also lead to health problems in people who come into contact with it In some cases, soil pollution can cause environmental damage that is expensive to clean up
  21. 21. Loss of Minerals As we all know, soil has so many minerals that plants extract from the soil as nutrients Some essential minerals which are found in soil are – Sulphur, potassium, nitrogen, phosphorus, magnesium, iron, etc Soil pollution can cause the loss of minerals
  22. 22. Soil Erosion There are various human-made and natural factors that lead to soil erosion For example, when the top layer of the soil, known as topsoil, moves from one place to another, it leads to soil erosion When it is washed or blown away, plants cannot grow as well; This can lead to a decrease in crop yields, which can have a significant impact on food productions
  23. 23. Prevention of Soil Pollution
  24. 24. Generating Energy from Waste Products We can stop soil pollution by producing our own energy from our waste products which are called biogas The largest energy source in the making of biogas is methane gas The animals and human manure together help to make biogas
  25. 25. Adopting Organic Farming • Agriculture and food industries have become almost inorganic • So, we must keep the agriculture and food industries clean and prevent the soil from the poisonous chemicals flowing from those industries • There are many benefits of organic farming that will promote good health among us and maintain ecosystem balance
  26. 26. Improving Waste Management Practices Poor waste management is another major contributor to soil pollution; This includes things like improperly disposing of hazardous materials, not recycling, and littering As soil pollution occurs in soil, we should keep the land clean to prevent land pollution Improving our waste management practices can help to reduce soil pollution
  27. 27. Avoiding the Use of Harmful Chemicals We should reduce the number of fertilizers for our crops as excess fertilizers make the soil acidic and can pollute soil and groundwater So, it is crucial to avoid using them unless absolutely necessary If they must be used, they should be used according to the manufacturer’s instructions
  28. 28. Educating Others About Soil Pollution Educating others about the importance of preventing soil pollution can go a long way in protecting our planet Also, control measures of soil pollution are not only related to humans Many animals are affected by soil pollution, whether it’s from chemicals or litter
  29. 29. Make Compost Finally, we can help prevent soil pollution by composting food scraps, yard waste, and animal waste instead of sending them to landfills This helps keep harmful chemicals and pollutants out of the soil while also providing a nourishing addition to your garden Some standard environmental remediation analyzed by environmental scientists are as follows
  30. 30. Thermal Remediation • Introducing heat raises subsurface temperatures to remove the soil contaminants present in the groundwater and soil
  31. 31. Bioremediation • By involving microbial digestion of certain organic chemicals • It is a process in which living organisms like bacteria and microbes are used to remove harmful substances
  32. 32. Mycoremediation By using fungus to metabolize contamination and accumulate heavy metals It means using fungi to remove contaminants present in the soil Fungi have the ability to absorb and settle the pollutants like metals etc
  33. 33. Conclusion of Soil Pollution Soil pollution is a huge environmental issue that needs to be addressed If we want to protect our environment and our food supply, we must take steps to reduce soil pollution Humanity needs to know and accept its limits of involvement in nature Our responsibility is to maintain the balance of nature and also to handle waste correctly
  34. 34. THANK YOU