Unit 7 
A Closer Look 2
Radioactive pollution
Visual pollution
Noise pollution
thermal pollution
light pollution
1. If we (recycle)                    more, we (help)                   the Earth.
2. Factories (not dump)                   waste into rivers if the government (fine)                   them heavily.
3. If people (travel)                   to work by bus, there (be)                   fewer car fumes.
4. We (save)                    thousands of trees if we (not waste)                   paper.
5. If we (use)                    water carefully, more people (have)                    fresh water.
recycle
will/can help
won’t dump
fines
travel
will be
will save
don’t waste
use
will have
Students will be aware of protecting the environment if teachers teach environmental issues at school.
When light pollution happens, animals will change their behaviour patterns.
The levels of radioactive pollution will decrease if we switch from nuclear power to renewable energy sources
If the water temperature increases, some aquatic creatures will be unable to reproduce.
People will get more disease if the water is contaminated.
1  - b     2  - c      3 – d     4  - e     5  - a
1. If you (be) were the president, what would you (do)­ do to help the environment?
2. They get sick so often. If they (exercise) exercised more, they (be) would be healthier.
3. If l (have) had one million US dollars, I (build) would build more parks in our city.
4. Ngoc`s mother is unhappy. If Ngoc (tidy) tidied her room every day, her mother (not be) wouldn’t be so upset.
5. There isn`t a garden at our house. If there (be) was/were we (grow) would grow vegetables.
If there weren’t so many billboards in our city, people could enjoy the view.
If there wasn’t so much light in the city at night, we could see the stars clearly.
 If we didn’t turn on the heater all the time, we wouldn’t have to pay three million dong for electricity a month.
If the karaoke bar doesn’t make so much noise almost every night, the residents wouldn’t complain to its owner.
She wouldn’t have a headache after work every day if she didn’t work in a noisy office.
Thanks for your attention!