Read and complete the sentences. Put the verbs in brackets into the correct
tense form.
1. If people … (to be) more informed about energy-saving technologies,
they … (to pay) less for their houses.
2. People … (not / to face) the problem of water shortages if they …
(not / to pollute) rivers and lakes.
3. If we … (to launch) an environmental project in our school, we …
(to draw) students’ attention to ecological problems.
4. You … (to trade) items of all kinds with others in your community
if you … (to want) to be environmentally friendly.
5. You … (to save) electricity if you … (to use) fluorescent
bulbs in your flat.
6. If there … (not / to be) the greenhouse emissions, we … (not / to
have) climate changes.