What can we do to protect the environment

First of all, people create such a lot of rubbish. Most of this is taken away to the big dump sites, which cause big environmental pollution. However, many things of what we throw away could be used again or recycled. In other words, we could help to save our environment just spending a little time on sorting out the rubbish.
Secondly, high up in the air is very important ozone layer. It prevents the sun's ultra violet rays from reaching us. Too many ultra violet rays can cause skin cancer. Basically, we should to choose...

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