Friendly materials

Screen 7/7

1. READ/play the text
2. CLICK the picture (and video)
3. TRY this:
Q1: Look through a collection of disposable plastic shopping bags. How may of them say 100% degradable?
[Answer]

In the past, people were just pleased they could make new goods using new materials such as plastics. After a while, however, the problems of recycling started to become all too obvious.

So now some products are being made that are much more friendly to the environment. Even plastic is not what it used to be...