Listen and choose the correct answer.
When was the first earthship built?
What wasn't used to build the first earthship?
How are tires used?
What is the basis of the house's heating system?
What is stored in underground tanks?
Earthships __________.
Choose the word that has the primary stress placed differently from the others.
Choose the correct answer to complete the sentences.
Rivers and lakes are important for Vietnam's agriculture and provide a _________ for many aquatic animals.
_________ factories follow eco-friendly practices, the air quality will improve in our cities.
We recycle paper and cardboard items _________ we can save trees and protect the forests.
Leaving the lights on all day is a way we _________ energy and harm the environment.
Efforts to manage waste and _________ chemical use are essential to handle soil pollution.
Planting trees provides shade, _________ it helps cope with air pollution by producing oxygen.
Factories often _________ harmful gasses that contribute to air pollution.
It's important to find ways to _________ air pollution and keep the air clean.
Recycling is important for the environment; _________, not everyone is aware of its importance.
Avoiding the use of harmful chemicals is important, _________ they can cause water pollution.
Choose the underlined part that needs correcting in each question.
If we properly dispose of waste, we would prevent land pollution and protect the environment.
Many cars use fossil fuels; so, we should explore alternative energy sources.
The school is planning a campaign to rise awareness about the importance of recycling.
Write the correct form of the words in brackets.
Using energy-efficient light bulbs helps us save . (electric)
Littering in the park is a act that negatively affects the beauty of nature. (care)
Let's use bags so that we can reduce the amount of plastic waste. (reuse)
Order the words/phrases to make a complete sentence. There is ONE extra word.
Rewrite the sentences and keep their same meaning as the first ones. No more than FIVE words in each blank.
The air quality is worsening due to increasing levels of vehicle emissions. (because)
→ The air quality is worsening .
We reduce energy consumption at home so that we can lower our carbon footprint. (in)
→ We reduce energy consumption at home our carbon footprint.
Stop using private cars or you will contribute to air pollution. (go)
→ If you , you will contribute to air pollution.
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