The key answer of exercise 4
The key to exercise solutions in chapter Workbook 3 - Summative revision for the textbook Identity B1+ with authors Elizabeth Sharman from Oxford University Press
Question
Translate the text into English.
Answer
We shouldn't get depressed about environmental issues because many people are doing things to help. The number of people using solar panels has grown, and local communities have been working to increase recycling. There have also been many television campaigns to reduce the amount of plastic in the oceans. In some areas, public transportation has become more 'green'. If we work hard, we can solve the problems.