Biodegradable plastic

Chris A biodegradable plastic will break down naturally over a few months or a few years. It turns into materials that can mix with the soil.

This is a really good idea if the plastic is in a rubbish tip, but sometimes it is not.

Biodegradable - a good idea or not?

Can you think of times when it would not be a good idea for the plastic to be biodegradable? Look at these three examples, and see what you think.

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When you have chosen, check your choices using the button.

Example 1: Underground water pipes

Water pipes

These pipes bring water to our houses, and are buried in the ground

Example 2: Plastic rubbish in the bin

Plastic rubbish in the bin will usually be taken away and buried in the ground

Example 3: Music compact disc (CD)

Compact disk

Most people want to play their music collection for many years