4. What do you think would happen if your country banned cars in cities?

2. There are no recycling bins, so we can’t recycle plastic now. We are going to put some around the school.

3. If we reuse / reused more paper at school, we can save lots of money and help the environment.

4. I’m not a scientist. I want to make a machine that can turn plastic to energy.

Read the sentences. Circle the correct words. (Đọc các câu. Khoanh tròn những từ đúng.)

1. What would / have you do if you were a billionaire?

Fill in the blanks using the words in Task a. (Điền vào chỗ trống bằng cách sử dụng các từ trong Bài a.)

1. A great way to reduce waste is to … your food waste and use it for your garden.

2. We will / would have cleaner air if we lived in forest apartments.

2. What would you do to protect the environment if you were a billionaire?

4. If we had / have recycling machines at home, we would reduce our plastic waste.

2. … is a serious problem in Brazil. The Amazon rainforest has lost more than 13% of its original size.

3. We need to find a … to solve air pollution in our city.

3. What’s a disadvantage of using glass or paper compared to plastic?