1.If the air in a City________ (get) very polluted, it can make peoples eyes burn. 2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future. 3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment. 4. If we all use public transport more, we________ (help) reduce air pollution. 5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct. 6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish. 7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea. 8. If global warming________ (continue), temperatures________ (rise) even higher. 9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night. 10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly. VI. Complete the sentences with the verbs in brackets. Use conditional sentences type 2. 1. If people________ (not be) so careless, Earth wouldnt be in danger. 2. The amount of waste ________ (decrease) if people started to buy reusable packages. 3. Many fish wouldnt die if factories________ (not dump) so many Chemicals into rivers and oceans. 4. If people stopped using cars completely, there________ (be) much less pollution. 5. If people________ (buy) more recycled paper, there wouldnt be so much waste. 6. If we________ (not bury) Chemical waste underground, we ________ (not pollute) fresh water supplies. 7. Pollution________ (not be) such an issue if governments and common people really ________ (care). 8. What ________ (happen) if the whole world________ (be) full of pollution? 9. If people________ (pay) a little more attention to the environment, the Earth________ (be) greener. 10. If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.