How to introduce ‘Waste Material Management’ in an interesting way?

When you are eating a Banana or Chips, you throw away Banana peel and Chips cover, why? Because those are no longer usable that’s why we discard things that are no longer useful or functioning after completion of a process.

  • What are these discarded things?
  • Do these things harm us?

What is Waste?

Waste is the things that are no longer usable or functioning after completion of a process. The waste is harmful to us if it is not disposed properly. Improper waste management may spread and cause diseases, Pollution and other dangerous ill-effects to living beings. Management of waste is difficult due to its continuous growth in new types of waste materials due to our advancements. The modern and alarming waste types like – e-wastes, plastic and tin cans need more management than that of organic waste as they never degrade.

Types of Waste
Managing something becomes easy when it is organised. The waste is managed by separating it based on its origin.

  • What are the sources of waste?
  • Why do we need to separate it?

The sources of waste are household items, daily use items, plastics bottles and papers; fruits and vegetable wastes and waste from electronic items. To dispose them we need the right methods. To adapt those methods we need to separate waste, the waste is separated into different types as –

  1. Wood waste – Sawdust, Off-cuts and Shreds of wood.
  2. Paper waste – Old Newspapers, discarded papers, Old Magazines.
  3. Plastic waste – Plastic papers and bottles, Plastic pipes and other items.
  4. Organic waste – Green waste, Food waste, Vegetable and Fruit waste etc.
  5. Metal waste – Aeronautical equipment waste, Bridges, Bicycles and Bikes, Cars etc.

Segregation of Waste
Nowadays it has become a law to segregate the waste separately at the time of discard itself.

  • Why should we segregate waste?
  • How do we segregate waste?

Today it’s compulsory for all to segregate waste as –

  1. Wet waste – Vegetable and Fruit waste, Leaves, and Garden waste, etc.
  2. Dry waste – Plastic, Glass, E-waste, and Metals, etc and
  3. Sanitary/Rejected waste – Candles, Earthen lamps, Sharp Medical materials, Medical napkins and Diapers.

This type of segregation helps us to recycle waste materials more easily. Due to its fast decaying nature, the wet waste is reused as Manure for gardens and agricultural fields and it is called as bio manure.

The wet waste also can be used to generate gas for cooking or as biogas. The dry waste is recycled to make new products and objects as t-shirts from used plastic materials and metals are recycled to create new metal products.

Biodegradables and Non-biodegradables

  • Do you know how waste is disposed off on its decaying capability?
  • What happens to the waste after we dispose it?

The waste is segregated based on its decaying capability as –
I. Biodegradable waste and
II. Non-biodegradable waste.

The decaying materials are buried under soil and non-decaying materials are recycled or burnt away to make space for such new waste. The waste which decays naturally when buried under the soil is called Biodegradable waste and the waste which does not decay naturally when buried under the soil is called Non-biodegradable waste.

The saviour –Recycling

• Why do we experience extreme seasons today?
• What may be the reasons for temperature rises on planet?
The materials that don’t degrade create many problems to the planet and living beings. The trending problems like – Global warming, greenhouse effect and other climatic problems are consequences of over use of disposable non biodegradable waste and through these problems living beings also experience health and extreme heat and temperature rising issues.

• How could we tackle the problem?

To tackle the problem of Non-biodegradable materials we have adopted a process called ‘Recycling’. This method lets us reuse the Non-biodegradable materials into making new products and objects, like – used plastic bottles are recycled to make Sweaters and Fleece jackets. So, recycling is the process of converting waste into reusable material.

The recycling is further categorised into –
I. Recyclable waste – This type of waste is not degradable but can be recycled. Example – Glass, Paper etc.

II. Non-recyclable waste – This type of waste is not recyclable and it may be either Degradable or Non-degradable. Example –Garbage, Food waste, Ceramics and kitchenware etc.

Creating awareness about such alarming and trending problems is compulsory to save our planet and future generations. Teaching learners about proper disposal of waste may help in better management of waste, reduce pollutions and other consequences. To teach/learn this effectively we can use Models, Visual aids and other Hands-on learning activities for better understanding of waste material management.

Check our hands-on learning activity video glimpses to know more about the ‘Waste Material Management’ and for many more interesting activities.

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