– Plastics are flammable.
In the event of a fire, plastic materials burn readily, causing the fire to spread quickly.

– Burning of plastics gives off toxic gases.
Many plastics produce poisonous gases upon incineration, causing air pollution.

– Plastics are non-biodegradable.
By “non-biodegradable”, it means that plastics cannot be decomposed by bacteria in the soil. Improper disposal of plastics can cause land and water pollution.