Class 8 Science – Chapter 3
Synthetic Fibres and Plastics
Step 4: Plastics and the Environment

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Why are Plastics Harmful to the Environment?

• Plastics are non-biodegradable.
• They do not decompose easily.
• They remain in soil and water for many years.
• Burning plastics releases poisonous gases.

Effects of Plastics on Living Beings

• Animals eat plastic waste and get sick.
• Plastic blocks drainage systems.
• Water bodies get polluted.
• Soil fertility decreases.

The 4R Principle

• Refuse – Say no to plastic bags.
• Reduce – Use less plastic.
• Reuse – Use plastic items again.
• Recycle – Convert waste plastic into new products.

Safer Alternatives to Plastics

• Cloth bags
• Paper bags
• Steel and glass containers
• Earthen pots

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🌱 Save Environment – Reduce Plastic Use