Đề bài

2a. Listen and read the dialogue. What are Melanie's and Sam's suggestions about reducing their carbon footprints?

(Nghe và đọc đoạn hội thoại. Đề xuất của Melanie và Sam về việc giảm lượng khí thải carbon của họ là gì?)

Melanie: Sam, we have to come up with ideas on how we can reduce our carbon footprint for our science project. What do you suggest we do?

Sam: We should definitely recycle all of our rubbish.

Melanie: OK. We could also eat only organic food from now on.

Sam: I'm not sure about that. Organic food is expensive. Perhaps we could stop using plastic bottles and bags.

Melanie: I suppose you're right. Shall we write down our ideas for the project?

Sam: Yes, of course.

Phương pháp giải

Tạm dịch:

Melanie: Sam, chúng ta phải nghĩ ra ý tưởng về cách chúng ta có thể giảm lượng khí thải carbon cho dự án khoa học của mình. Bạn đề nghị chúng ta nên làm gì?

Sam: Chắc chắn chúng ta nên tái chế tất cả rác thải của mình.

Melanie: Được rồi. Chúng ta cũng có thể chỉ ăn thực phẩm hữu cơ kể từ bây giờ.

Sam: Tôi không chắc về điều đó. Thực phẩm hữu cơ thì đắt tiền. Có lẽ chúng ta có thể ngừng sử dụng chai nhựa và túi nhựa.

Melanie: Tôi nghĩ bạn nói đúng. Chúng ta sẽ viết ra những ý tưởng của mình cho dự án chứ?

Sam: Vâng, tất nhiên.

Lời giải của GV Loigiaihay.com

Their suggestions about reducing carbon footprints are: to recycle all their rubbish and stop using plastic bottles and bags.

(Đề xuất của họ về việc giảm lượng khí thải carbon là: tái chế tất cả rác của họ, ngừng sử dụng chai và túi nhựa.)

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Các bài tập cùng chuyên đề

Bài 1 :

Read the passage and the best answer to each of the following.

The costs and benefits of global warming will vary greatly from area to area. For moderate climate change, the balance can be difficult to assess. But the larger the change in climate, the more negative the consequences will become. Global warming will probably make life harder, not easier, for most people. This is mainly because we have already built enormous infrastructure based on the climate we now have.

People in some temperate zones may benefit from milder winters, more abundant rainfall, and expanding crop production zones. But people in other areas will suffer from increased heat waves, coastal erosion, rising sea level more erratic rainfall, and droughts.

The crops, natural vegetation, and domesticated and wild animals (including seafood) that sustain people in a given area may be unable to adapt to local or regional changes in climate. The ranges of diseases and insect pests that are limited by temperature may expand, if other environmental conditions are also favourable.

In its summary report on the impacts of climate change, the Intergovernmental Panel on Climate Change stated, "Taken as a whole, the range of published evidence indicates that the net damage costs of climate change are likely to be significant and to increase over time.”

Xem lời giải >>

Bài 2 :

Choose the options that best complete the passage.

Some Buddhists have a long-standing tradition of freeing animals from captivity. It is regarded by these people as a kind action which could influence what will happen to them in their future lives. However, according to some (1) , this practice also poses harm to local wildlife, and the government should be urged to ban it.

The improper release of animals can have negative impacts on the living environment in local areas. It can help quickly spread foreign species into the native environment. Many people have (2) poisonous snakes and red-eared turtles, which can reproduce quickly, eat other species or even destroy the local ecosystems.

(3) , some species may die after being released. Wild birds, for example, fall into a cycle of being caught and released, and then being caught again, causing the birds to die slowly. Many species of turtles like mountain turtles are often released into pagoda ponds, but they cannot survive a week in the new environment, and some (4) die within three days.

Experts suggest that the tradition of freeing animals should be ended because apart from destroying native species (5) __, this release does not have much meaning in bringing life to the liberated species. There should be instructions on what animals can be released and how to release animals into the environment to make sure they can continue living.

Xem lời giải >>

Bài 3 :

Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.

In the past hundred years, biodiversity around the world has decreased dramatically. Many species have gone extinct. Extinction is a natural process; some species naturally die out while new species evolve. But human activity has changed the natural processes of extinction and evolution. Scientists estimate that they are dying out at hundreds of times the natural rate.

A major reason for the loss of biodiversity is that natural habitats are being destroyed. The fields, forests, and wetlands where wild plants and animals live are disappearing. Land is cleared to plant crops or build houses and factories. Forests are cut for lumber and firewood. Between 1990 and 2005, the amount of forested land in Honduras, for instance, dropped 37 percent.As habitats shrink, fewer individuals can live there. The creatures that survive have fewer breeding partners, so genetic diversity declines.

Pollution, overfishing, and overhunting have also caused a drop in biodiversity. Global climate change - the latest rise in the average temperature around the globe, linked to human activity - is also a factor. Warmer ocean temperatures damage fragile ecosystems such as coral reefs. A single coral reef can shelter 3,000 species offish and other sea creatures such as clams and sea stars.

Source: https://education.nationalgeographic.org/resource/global-biodiversity/

Xem lời giải >>

Bài 4 :

Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

Wildlife conservation is the practice of protecting plant and animal species and their habitats. (1) _____ part of the world’s ecosystems, wildlife provides balance and stability to nature’s processes. The goal of wildlife conservation is to ensure the survival of these species, and to educate people (2) _ living sustainably with other species.

The human population has grown exponentially over the past 200 years, to more than seven billion people today, and it continues to rapidly grow. (3) _ means natural resources are being consumed faster than ever by the billions of people on the planet. This growth and development also endangers the habitats and existence of various types of wildlife around the world, particularly animals and plants that may (4) _ for land development, or used for food or other human purposes, other threats to wildlife include the (5) _____ of invasive species from other parts of the world, climate change, pollution, hunting, fishing, and poaching.

Source: https://education.nationatgeographic.org/resource/wildlife-conservation/

Xem lời giải >>

Bài 5 :

A presentation about global warming

(Bài thuyết trình về sự nóng lên toàn cầu)

1. Listen and read.

(Nghe và đọc.)

Mr Quang: Good morning, class. Today’s lesson will start with Mai and Nam’s talk about some of the causes and consequences of global warming. Would you like to go first, Mai?

Mai: Yes, thank you. First, let me remind you what global warming refers to - it’s the increase in the earth's temperature because of certain gases in the atmosphere.

Nam: Exactly. These gases are mainly produced through human activities. For example, burnt for energy, fossil fuels release large amounts of carbon dioxide into the atmosphere.

Mr Quang: But how do these gases make the earth warmer?

Mai: Well, they act like the glass in a greenhouse. Trapping too much of the sun’s heat, they stop it from escaping back into space. This makes the planet hotter and hotter.

Nam: That's right. That’s why these heat-trapping pollutants are known as greenhouse gases, and their impact is called the greenhouse effect.

Mai: Global warming is also linked to rising sea levels. As temperatures rise, polar ice caps melt faster, adding more water to oceans. Higher sea levels can also lead to floods.

Nam: Each year, the consequences of global warming become more serious, and its negative impact on the environment and people gets stronger.

Mr Quang: Good job! Thank you for sharing the information.

Xem lời giải >>

Bài 6 :

2. Read the conversation again and complete the diagram, using the following phrases.

(Đọc đoạn hội thoại một lần nữa và hoàn thành sơ đồ, sử dụng các cụm từ sau.)

a. Trapping the sun‘s heat

b. Making the planet warmer

c. Producing certain gases (e.g. CO2)

d. Stopping the heat from escaping

1 _________ => 2 _________ => 3 _________ => 4 _________

Xem lời giải >>

Bài 7 :

3. Match the words to make phrases used in 1.

(Nối các từ để tạo thành các cụm từ được sử dụng trong bài 1.)

1. global	a. activities
2. heat - trapping	b. gases
3. greenhouse	c. warming
4. human	d. levels
5. sea	e. pollutants

Xem lời giải >>

Bài 8 :

4. Complete the sentences with the correct verb forms from 1.

(Hoàn thành các câu với các dạng động từ chính xác từ bài 1.)

1. _________ for energy, fossil fuels release large amounts of carbon dioxide into the atmosphere.

2. _________ too much of the sun’‘s heat, greenhouse gases stop it from escaping back into space.

3. As temperatures rise, polar ice caps melt faster, __________ more water to oceans.

Xem lời giải >>

Bài 9 :

2. Read the article and choose the best title for it.

(Đọc bài báo và chọn tiêu đề tốt nhất cho nó.)

A. History of COPs

B. Main causes of global warming

C. Main goals of this year’s COP

In 1994, the UN decided to bring together world leaders for an annual event, known as COP or ‘Conference of Parties’, to discuss climate change. This year’s conference will review what has been achieved and discuss the key goals.

The first goal is to limit the global temperature rise to 1.5°C. This will require reducing global CO, emissions by 50 per cent by 2030, and by 2050 achieving a balance between the greenhouse gases released into the atmosphere and those removed from it.

The second goal is to reduce the use of coal, whichis the dirtiest fuel and biggest source of planet-warming CO2 emissions. Countries will have to stop building new coal plants and switch to clean sources of energy.

The third goal is to end deforestation. Forests remove CO2 from the atmosphere and slow global warming. But when they are cut down or burnt, they release the carbon stored in the trees into the atmosphere as CO2. Stopping deforestation is, therefore, an effective solution to climate change.

The last key goal is to reduce methane emissions. Methane is a greenhouse gas that is more powerful than CO2 at warming the earth. It is responsible for nearly one-third of current warming from human activities. Methane comes from farming activities and landfill waste. The production and use of coal, oil, and natural gas also release methane.

This conference is very important because this is the best last chance we have to slow global warming. World leaders, climate experts, organisations, and national representatives will carefully discuss these goals and agree on how to make global progress on climate change.

Xem lời giải >>

Bài 10 :

3. Read the article again. Match the highlighted words with their meanings.

(Đọc lại bài viết. Nối các từ được đánh dấu với ý nghĩa của chúng.)

1. emissions	a. a gas without smell or colour, often used as a fuel
2. balance	b. a chemical substance found in all living things
3. carbon	c. a situation in which different things are equal
4. methane	d. gases or other substances that are sent into the atmosphere

Xem lời giải >>

Bài 11 :

4. Read the article again and choose the correct answers A, B, or C.

(Đọc bài viết một lần nữa và chọn câu trả lời đúng A, B hoặc C.)

1. Which of the following is not a COP’s key goal?

A. Stop cutting down forests.

B. Replace coal with cleaner sources of energy.

C. End methane emissions.

2. What will happen if there is a balance between the greenhouse gases released and those removed from the atmosphere?

A. Global warming will be limited to 1.5°C.

B. Global CO, emissions will increase.

C. Countries will switch to clean energy.

3. Why is it important to reduce the use of coal?

A. Because it is easy to build coal plants.

B. Because coal is not as clean as gas.

C. Because it is responsible for a large part of the CO2 emissions.

4. How does deforestation contribute to global warming?

A. Trees remove carbon dioxide from the atmosphere.

B. Trees release carbon into the atmosphere when they are cut down or burnt.

C. Forests trap heat and increase temperatures.

5. Why is reducing methane emissions a key goal?

A. Because its emissions result from farming activities and landfill waste.

B. Because methane’s warming power is stronger than that of CO2.

C. Because it is produced through human activities.

Xem lời giải >>

Bài 12 :

5. Work in groups. Discuss the following question.

(Thảo luận câu hỏi sau.)

What should we do to reduce global warming?

(Chúng ta nên làm gì để giảm sự nóng lên toàn cầu?)

Xem lời giải >>

Bài 13 :

1. Read the text and tick (✔) the pictures that show ways to reduce global warming.

(Đọc văn bản và đánh dấu (✔) vào những bức tranh chỉ ra những cách để giảm sự nóng lên toàn cầu.)

REDUCING THE ENVIRONMENTAL IMPACT OF FARMING

Farming provides us with the food that we eat every day. But farming activities also have a strong warming impact on the global temperature. The good news is that experts have already started thinking about how to reduce it.

Raising farm animals like cows, goats, and sheep makes the planet hotter. There are billions of them and they release methane, a greenhouse gas that is much more dangerous than carbon dioxide. That is why scientists are developing methane-catching face masks for cows. They are intended to reduce methane emissions by up to 50 per cent per cow.

Another farming activity that heats the atmosphere is growing rice. According to research, emissions from rice farms have the same warming effect as about 600 coal plants. Flooded rice fields also make it easier for soil bacteria to produce greenhouse gases. New farming methods have allowed rice to grow well in drier fields, limit the amount of greenhouse gases, use less water, and produce better crops.

In addition, land-use increases the global temperature. Plants and trees use CO2 to grow and store large amounts of carbon underground. Cutting down or burning forests to create farm fields and land for feeding animals releases tonnes of carbon dioxide and other greenhouse gases into the atmosphere every year. Luckily, many countries and world leaders have agreed to protect the forests and end deforestation.

In short, there are some positive signs that farmers can meet the environmental challenges. However, although the impact of farming on the global temperature has been reduced, there is still much to do.

Xem lời giải >>

Bài 14 :

a. Read the magazine article and circle the main idea.

(Đọc bài báo trên tạp chí và khoanh tròn ý chính.)

1. the effects of global warming (tác động của sự nóng lên toàn cầu)

2. ways to stop global warming (cách để ngăn chặn sự nóng lên toàn cầu)

July 8, 2021

By James Trần

The Truth about Global Warming

More and more teenagers are worried about the environment. Teen World takes a look at the biggest environmental problem facing our world.

Teens everywhere are re becoming more in more interested in ponment. The main issue today is global warming. It's caused by the increase of greenhouse gases, which keep the heat from the sun in the air. Sulfur dioxide (SO2) is one of the most common greenhouse gases. It's mostly caused by burning fossil fuels. We consume fossil fuels for our transportation and the energy in our homes. Deforestation is another human activity that only makes global warming worse. Trees remove greenhouse gases from the air, so we need to protect the forests.

What can we do? First of all, in order to reduce greenhouse gases, we should shut down coal and of power plants. We should switch to more sustainable kinds of energy, such as wind and solar power, even if they cost more. Instead of gas, we could switch to using biofuels, which are made from plants and other living things. Secondly, we should prohibit cars and motorbikes from downtown areas and increase the tax on gas to make it more expensive to use them. Using more electric vehicles, especially electric buses, is another good idea.

Protecting our forests and planting more trees are both very important. It's hard to stop farmers from cutting down trees, so governments have to make strong laws to protect forests.

There are many things we can do at home to help. We can all help save energy at home by turning off the lights and also switching to energy-saving devices.

These are the solutions we can use to stop global warming. We can still save our planet if people act now.

Xem lời giải >>

Bài 15 :

b. Now, read and answer the questions.

(Bây giờ, hãy đọc và trả lời các câu hỏi.)

According to the article,…

(Theo như bài báo,…)

1. what creates sulfur dioxide?

(điều gì tạo ra sulfur dioxide?)

2. the word consume in paragraph 1 is closest in meaning to ___________.

(từ tiêu thụ trong đoạn 1 gần nghĩa nhất với)

a. eat (ăn)

b. use (sử dụng)

c. destroy (hủy hoại)

3. what could we replace gas with?

(chúng ta có thể thay gas bằng gì?)

4. what should we stop using in the busy parts of towns?

(chúng ta nên ngừng sử dụng cái gì ở những khu vực sầm uất của thị trấn?)

5. how can people save energy at home?

(làm thế nào mọi người có thể tiết kiệm năng lượng ở nhà?)

Xem lời giải >>

Bài 16 :

c. Listen and read.

(Nghe và đọc.)

Xem lời giải >>

Bài 17 :

a. Read William's letter. Who is the letter to?

(Đọc bức thư của William. Thư gửi cho ai?)

1. a newspaper (một tờ báo)

2. an organization building a dam (một tổ chức xây đập)

3. an environmental charity (một tổ chức từ thiện môi trường)

Thetford Energy

114 Clasper Way

Hickleton.

DN5 7XR

Dear Sir or Madam,

My name is William Thombury, and I am a journalist for the Hickleton Herald Newspaper. I am researching for an article about the hydroelectric dam in Hickleton. I am writing to ask for more information about the project.

I would like to know how long the project is going to take. There are many unemployed people in Hickleton, and more jobs would help a lot. People would be happy to hear that the project will finish quickly, and jobs will be available soon.

Could you also tell me about its environmental impact? Dams require a reservoir to be made, and the water of a river has to be redirected. The local people would be happy to hear that it will not cause much environmental damage.

I would also appreciate you telling me about how electricity prices may change. The prices are very high here. It would be great to report that the prices will decrease.

Finally, I would like to know about how the dam will look. Hickleton is a very beautiful town, and people travel here for tourism. People want to know that the dam will not make fewer people want to travel here.

I look forward to hearing from you.

Yours faithfully.

William Thombury

Hickleton Herald Newspaper

Xem lời giải >>

Bài 18 :

b. Read and answer the questions.

(Đọc và trả lời câu hỏi.)

1. What is William writing an article about?

(William đang viết một bài báo về cái gì?)

___________________________________

2. Why do local people want the project to be completed quickly?

(Tại sao người dân địa phương muốn dự án hoàn thành nhanh chóng?)

___________________________________

3. What needs to be made above the dam?

(Những gì cần phải được thực hiện trên đập?)

___________________________________

4. What are energy prices like in Hickleton?

(Giá năng lượng ở Hickleton như thế nào?)

___________________________________

5. Why do people want the dam to look nice?

(Tại sao mọi người muốn cái đập trông thật đẹp?)

___________________________________

6. According to William’s letter, what conclusion can be drawn about Hickleton?

(Theo bức thư của William, có thể rút ra kết luận gì về Hickleton?)

a. Most people there are rich.

(Hầu hết mọi người ở đó đều giàu có.)

b. The town’s people have many questions about the new dam.

(Người dân thị trấn có nhiều câu hỏi về con đập mới.)

c. Not many tourists come to visit Hickleton.

(Không có nhiều khách du lịch đến thăm Hickleton.)

d. There are plenty of jobs available there.

(Có rất nhiều công việc có sẵn ở đó.)

Xem lời giải >>

Bài 19 :

c. Listen and read.

(Nghe và đọc.)

Xem lời giải >>

Bài 20 :

Read the text about pollution in Sutterton. Choose the correct answer (A, B, C, or D).

(Đọc văn bản về ô nhiễm ở Sutterton. Chọn câu trả lời đúng (A, B, C hoặc D).)

Pollution in Sutterton

The air quality in Sutterton has decreased a lot over the past ten years. In this report, I will give details to show why it has decreased and give suggestions on how it can be improved.

First, the overall CO2 (1) __________ have increased by 19% since 2012. That is an increase of over 25,000 tonnes of CO2. This is partly due to three new factories opening in 2015. (2) ____________ 2015 to 2016, emission increased by 13%. The other cause is having around 8% more vehicles on the road. This is likely due to the increased transportation needed for the factories. The second reason for the decreased air quality is the increase in deforestation Since 2012, it has increased (3) ____________ over 300,000 hectares. From 2012 to 2016, it only increased by about 50,000 hectares. However, since 2017, it has increased by over 250,000 hectares.

I have three suggestions to improve the air quality. I believe (4) _____________ a solar power station outside of town will help a lot. Next, banning deforestation will help keep the trees you have left. Finally, (5) ______________. The tax on fuel should help reduce the amount of vehicles on the road.

In conclusion, the air quality in Sutterton has decreased significantly over the past ten years. This is due to both increased CO2 emissions and deforestation. I believe building a solar power station, banning deforestation, and increasing tax on fuel will greatly improve the air quality.

1.

A. emissions

B. fossil fuels

C. deforestation

D. tax

2.

A. From

B. To

C. Since

D. In

3.

A. between

B. from

C. in

D. by

4.

A. taxing

B. building

C. banning

D. consuming

5.

A. increasing

B. reducing

C. switching

D. taxing

Xem lời giải >>

Bài 21 :

2. Read the text. Complete each sentence with NO MORE THAN THREE WORDS.

(Đọc văn bản. Hoàn thành mỗi câu với KHÔNG QUÁ 3 TỪ.)

1. People are driving more and using more electricity in the ___________ .

2. Because of rising sea levels, animals and plants are ___________ .

3. Terrible droughts are happening in ___________ .

4. Many animals could become extinct because of a rise in ___________ .

Xem lời giải >>

Bài 22 :

3. Read the text again and identify the author’s purpose. Choose the best answer.

(Đọc lại văn bản và xác định mục đích của tác giả. Hãy chọn đáp án đúng nhất.)

The author’s purpose is to …

(Mục đích của tác giả là để ...)

A. explain the effects of global warming on ecosystems.

(giải thích tác động của sự nóng lên toàn cầu đối với các hệ sinh thái.)

B. inform us about what needs to be done to stop global warming.

(thông báo cho chúng ta về những gì cần phải làm để ngăn chặn sự nóng lên toàn cầu.)

C. tell us about animals affected by global warming.

(cho chúng ta biết về động vật bị ảnh hưởng bởi sự nóng lên toàn cầu.)

D. persuade us to help stop global warming.

(thuyết phục chúng tôi giúp ngăn chặn sự nóng lên toàn cầu.)

Xem lời giải >>

Bài 23 :

1. a) Read the essay. What is it about?

(Đọc bài văn. Nó về cái gì?)

How to protect our ecosystems

A. Global warming and deforestation are destroying our valuable ecosystems and harming the animals and plants that live in them. There are many things we can do to stop these problems and protect the Earth's ecosystems.

B. Firstly, we must try to use only energy-saving products. For example, we should use electric cars and everyday products like refrigerators and televisions that are energy- saving. These products don't use a lot of electricity that produces greenhouse gases. In this way, we reduce greenhouse gas emissions that harm ecosystems.

C. Another way to protect our ecosystems is to plant trees. The more trees we have, the more we can cut down on the CO2 already in the air. By doing this, we reduce global warming and its harmful effects on the environment.

D. In conclusion, we can help protect our ecosystems by taking many important actions such as using energy- saving products and planting trees. Our actions can make a difference and make our planet a better place to live.

Xem lời giải >>

Bài 24 :

1. Look at the photo. Discuss with a partner what is happening. Read the text below about climate change.

(Nhìn vào bức hình. Thảo luận với bạn cặp những gì đang xảy ra. Đọc văn bản dưới đây về biến đổi khí hậu.)

I was surprised to learn that the annual rainfall increased in the south of Việt Nam but decreased in the north.
I'm afraid to say that the annual rainfall increased to 20% over the last 50 years in the south-central region.
We made a plan to do something because sea levels along the coasts are rising 2.8mm per year.
I was shocked to find that Việt Nam may lose 5% of its land to rising sea levels which will affect 11% of our population. By Kiên

Overall, what was Kiên's reaction to the lecture?

(Nhìn chung, phản ứng của Kiên đối với bài giảng là gì?)

a. It surprised him.

(Nó làm anh ấy ngạc nhiên.)

b. It made him happy.

(Nó làm anh hạnh phúc.)

c. It did not interest him.

(Nó không quan tâm đến anh ta.)

Xem lời giải >>

Bài 25 :

1. Read the article about the solutions to global warming. Then tick (✔) the specific ideas mentioned in the article.

(Đọc bài viết về các giải pháp cho sự nóng lên toàn cầu. Sau đó đánh dấu (✔) vào các ý cụ thể được đề cập trong bài viết.)

Here are some ways to help reduce global warming. Which of these do you regularly do?

Don't use private cars. Your willingness to walk or cycle to nearby places can help reduce the emissions of carbon dioxide and also reduce your own carbon footprint.

Use public transport. If travelling long distances, then use public transport rather than your car. However, if you carpool (travel together with a group of people in one car), then you are choosing to help the environment. If we travel with others, we will use less petrol.

Make a decision to reduce, recycle, and reuse. Reduce waste by buying reusable products. Don't forget to recycle plastics, glass, and paper products. You may wish to reuse some of your old items to help out, too. Take unneeded items to a recycling centre.

Plant trees. Plants and trees are nature's lungs. They produce the oxygen we breathe. They also can shade your home, thus making it cooler so you don't need to run your air conditioners as much.

Change air conditioner filters regularly. This simple step will save about 160 kilos of carbon dioxide and may save you up to $150 a year. Making a choice to go green will save you money and help the environment.

Buy local goods. When you buy goods imported from far-away places, it takes a lot of energy to transport them to your area. This means that if you don't buy local food and products, then more emissions of carbon dioxide will happen during the transportation process.

1. Buy a bicycle

2. Buy things made in your area

3. Carpool with your friends

4. Change your air conditioner filter

5. Use hot water

6. Help the environment by riding a bike or using public transport

7. Recycle and reuse your old items

8. Shade your home with plants

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Bài 26 :

2. Read the article again and mark the sentences ✓ (true), x (false), or ? (not given).

(Đọc bài viết một lần nữa và đánh dấu các câu (đúng), x (sai), hoặc? (không có thông tin).)

1. There are many ways to reduce your carbon footprint.

2. Buying electric cars and carpooling will help prevent global warming.

3. Plants use their lungs to make oxygen.

4. Changing your air conditioner filters helps reduce emission of carbon dioxide.

5. Reducing bicycles will help us stop climate change.

6. The transport process emits the largest amount of carbon dioxide.

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Bài 27 :

3. Choose the correct words in the brackets to complete the sentences.

(Chọn từ đúng trong ngoặc để hoàn thành câu.)

1. The amount of carbon dioxide we produce by our actions is our emissions / carbon footprint.

2. I would like to recycle / carpool to work with my neighbours every morning.

3. Make a decision to buy imported goods/ go green to help save our planet.

4. Carbon dioxide/Oxygen is being released into our atmosphere by our cars.

5. Air conditioner filters / Reusable products are now becoming more popular among people wanting to go green.

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Bài 28 :

1. Listen and read the dialogue. Answer the questions.

(Nghe và đọc đoạn hội thoại. Trả lời các câu hỏi.)

Hồng: I love watching those penguins.

Josh: They may not be around much longer because the polar ice caps are melting.

Hồng: Yes, I've read about that. It sounds terrible.

Josh: It is! Consider the Arctic. In some parts, 95% of the ice has already melted.

Hồng: It does sound serious.

Josh: All that melting ice will cause the sea levels here in Việt Nam to rise, too.

Hồng:Oh, I see. And the rising sea levels will flood our coastal communities.

Josh: Exactly.

1. According to the dialogue, which animals are affected by melting ice?

(Theo đoạn hội thoại, loài động vật nào bị ảnh hưởng bởi băng tan?)

2. Where do you see a large amount of melting ice?

(Bạn thấy một lượng lớn băng tan ở đâu?)

3. Are the sea levels in Việt Nam affected by the melting ice?

(Mực nước biển ở Việt Nam có bị ảnh hưởng bởi băng tan không?)

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Bài 29 :

2. Search a video on YouTube to understand how greenhouse works. Then check your understanding in the text below.

(Tìm kiếm video trên YouTube để hiểu cách hoạt động của nhà kính. Sau đó kiểm tra sự hiểu biết của bạn trong văn bản dưới đây.)

A greenhouse is built to grow plants, such as tomatoes and tropical flowers. It has glass walls and a glass roof. In the daytime, sunlight heats up the greenhouse and warms the plants and air inside. The glass walls of the greenhouse trap the Sun's heat so that it cannot escape. At nighttime, it's colder outside, but the greenhouse stays warm inside because of the trapped heat. The temperature inside the greenhouse is essential for plants to grow. This is called the greenhouse effect.

The natural warming process on Earth works much the same way. During the day, the Sun shines into the Earth's atmosphere. Gases in the atmosphere, such as carbon dioxide, trap the Sun's heat. These heat-trapping gases are called greenhouse gases. At night, the Earth cools down, releasing heat back into the air. Some of the heat passes through the atmosphere into the space, but most of it is captured by the greenhouse gases. This is the mechanism that keeps our Earth a warm and cozy place with the temperature of 58 degrees Fahrenheit (14 degrees Celsius), on average. Without heat-trapping greenhouse gases, according to scientists, the average global surface temperature would drop to -18°C.

This greenhouse effect is crucial to keeping the Earth a comfortable place to live. Today, however, the greenhouse effects are worsening because human's activities are contributing to an increasing temperature of the Earth. This is known as global warming.

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Bài 30 :

3. Read the text. Decide whether the following statements are true (T), false (F), or not given (NG).

(Đọc văn bản. Quyết định xem các câu sau đây là đúng (T), sai (F) hay không được đưa ra (NG).)

1. A greenhouse is a place farmers use to grow plants.

2. Greenhouse effects are not useful to humans' lives.

3. Carbon dioxide is one of the gases that trap heat in the atmosphere.

4. The Earth is warm both day and night.

5. The world will be extremely cold without greenhouse gases.

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