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1. If the air in a City, gets very polluted, it can make people's eyes burn. 2. If we dump all sorts of Chemicals into rivers, we will 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 will help reduce air pollution. 5. If we do not stop over-fishing the oceans, many species will become extinct. 6. If everyone recycles paper, metal and glass, we will not produce so much rubbish. 7. We will have dirty seafood if we dump rubbish into the sea. 8. If global warming continues, temperatures will rise even higher. 9. If light pollution keeps growing, you will not be able to see even the Big Dipper at night. 10. We are threatening our own existence if we do not cut down the waste rapidly. IV. Complete the sentences with the verbs in brackets. Use conditional sentences type 2. 1. If people were not so careless, Earth wouldn't be in danger. The amount of waste would decrease if people started to buy reusable packages. 2. Many fish wouldn't die if factories didn't dump so many Chemicals into rivers and oceans. 3. If people stopped using cars completely, there would be much less pollution. 4. If people bought more recycled paper, there wouldn't be so much waste. 5. If we didn't bury Chemical waste underground, we wouldn't pollute fresh water supplies. 6. Pollution wouldn't be such an issue if governments and common people really cared. 7. What would happen if the whole world were full of pollution? 8. If people paid a little more attention to the environment, the Earth would be greener. 9. If people no longer polluted the atmosphere, the air would soon become clean again. V. Write conditional sentences type 2, using the cues given. 1. What would happen if water pollution stopped? 2. We would be happy if air pollution in the world were a better place. 3. If there were no more pollution, the world would be a better place. 4. If I were you, I would take these bottles to the bottle bank. 5. If people did not really care about the environment, they would not try to save it. 6. The river would not be so polluted if factories did not dump waste into it. 7. We would be less worried if oil spills did not have such destructive effects. 8. If we destroy the ozone layer, what will save us from the UV rays? VI. Complete the passage with the correct form of the verbs in brackets. The problem of global warming would improve if we all did something to reduce it! For example, if we all turned off our mobile phone chargers at night, we'd save a lot of energy. And we would save a lot of water if we all turned off the tap when cleaning our teeth. If we recycled more, less rubbish would go to landfill sites. And if we cycled more, our parents would not need to use their cars so often. Let's make a difference! VII. Complete the sentences with the correct form of the verbs in brackets. 1. If we don't take action, the problem of global warming will continue to worsen. 2. If we reduce our carbon emissions, we can slow down the process of climate change. 3. If we invest in renewable energy sources, we can decrease our dependence on fossil fuels. 4. If we educate people about the importance of conservation, we can protect endangered species. 5. If we support sustainable agriculture practices, we can preserve our soil and water resources. 6. If we reduce, reuse, and recycle, we can minimize waste and conserve natural resources. 7. If we promote eco-friendly transportation options, we can reduce air pollution. 8. If we protect our forests and oceans, we can maintain biodiversity and ecosystem balance.