Green Roofs IELTS Reading Answers with Explanations

Green roofs are one of the most practical and sustainable solutions used in modern cities. They are rooftop systems covered with plants, grass, gardens, or other vegetation that help improve the urban environment. Green roofs can reduce stormwater runoff, improve air quality, support wildlife, lower energy costs, and regulate building temperature.

The topic Green Roofs IELTS Reading Answers may appear in the IELTS Reading section because it includes important themes such as sustainability, urban planning, environmental protection, public health, and modern city development. Practising this passage will help IELTS aspirants understand how to scan for information, identify keywords, and answer different IELTS Reading question types accurately.

Green Roofs IELTS Reading Answer Key

1. Green Roofs Reading Passage

General Instructions to Follow During the IELTS Reading Test

The following instructions will help you save time and improve your score while solving the Green Roofs IELTS Reading questions and answers.

Read the instructions before every question type carefully. Many students lose marks because they write more than the required number of words.

Use skimming to understand the general meaning of the passage and scanning to locate specific information quickly.

Underline important keywords such as names of cities, benefits, problems, examples, and technical terms.

Do not spend too much time on one question. If you are unsure, move ahead and return to it later.

Remember that many IELTS Reading questions follow the order of the passage, especially summary completion and multiple-choice questions.

Green Roofs Reading Passage

Paragraph A

Rooftops covered with grass, vegetable gardens, and lush foliage are now a common sight in many cities worldwide. More and more private companies and city authorities are investing in green roofs because of their wide-ranging benefits. These benefits include saving energy costs, reducing the risk of floods, creating habitats for urban wildlife, tackling air pollution, and even growing food.

These modern urban designs can help cities deal with serious problems such as limited resources and the shortage of green spaces caused by rapid development. However, the success of green roofs depends greatly on the involvement of city authorities, businesses, and institutions. Research is also important because different types of rooftops require different green roof solutions.

The UK is still relatively new to the development of green roofs. Local governments and institutions play an important role in promoting this practice. London has become the centre of much of the UK’s green roof market, mainly because of forward-thinking policies such as the London Plan. These policies have helped more than double the area of green roofs in the capital.

Paragraph B

Ongoing research shows that green roofs can be combined with other urban green initiatives such as living walls. Living walls are environmentally friendly walls that are partly or completely covered with plants and include a growing medium such as soil or water.

Research also suggests that green roofs can be connected with ground-level drainage systems, including street trees, to manage rainwater more effectively and make the built environment more sustainable.

Green roofs also have social and health benefits. Doctors are increasingly recommending outdoor gardening to patients dealing with anxiety and depression. Studies have found that even basic access to green spaces can improve the quality of life of dementia patients and help people avoid obesity.

Paragraph C

In North America, green roofs have become more common and widely accepted. Many buildings now have large, accessible, and food-producing rooftops. City leaders and public authorities have played an important role in encouraging this movement.

For example, San Francisco in the USA recently introduced a policy requiring new buildings to include green roofs. Toronto in Canada has had policies since the 1990s that support the development of rooftop urban farms.

One major advantage in these countries is that many buildings are newer than those found in other parts of the world. Newer buildings usually make it easier to install green roofs because they can support more weight.

Keeping enough water at roof level and distributing it properly across the rooftop is essential for maintaining plants, especially on edible roofs where fruits and vegetables are grown. Newer buildings can usually handle these requirements better than older buildings. Stronger roofs also allow deeper soil, which makes it easier to grow a wider variety of plants.

Paragraph D

For green roofs to become a normal part of new developments, support from public authorities and private investors is necessary. Building managers may need to learn new skills such as landscaping. In some cases, volunteers may also be required to help with maintenance.

There are several practical challenges that need to be considered before installing a green roof. These include setting up proper drainage paths, meeting health and safety standards, allowing public access where necessary, dealing with planning restrictions, and managing disruption during installation.

Economic arguments are also important when convincing investors and developers that green roofs are worth installing. The term “natural capital” is used to explain the economic value of nature. For example, green roofs can save money by reducing flood damage, helping cities adapt to climate change, and supporting healthier and happier lives.

Paragraph E

As knowledge about green roofs continues to grow, official standards have been developed to ensure that they are designed, constructed, and maintained correctly. Improvements in science and technology have also led to new versions of the green roof concept.

For example, blue roofs allow buildings to hold water for longer periods instead of draining it away quickly. This is especially useful during heavy rainfall. There are also combinations of green roofs with solar panels, as well as brown roofs, which are wilder and designed to increase biodiversity.

If this trend continues, green roofs could create new jobs, support a stronger local food economy, and provide many other environmental and social benefits. Although some barriers remain, the evidence shows that green roofs have the potential to transform cities and help them function sustainably in the future.

Successful examples need to be studied and repeated in other places so that green, blue, brown, and food-producing roofs can become common in cities around the world.

2. Green Roofs Reading Questions & Answers

Have you read the passage carefully? Now, try to answer the Green Roofs IELTS Reading questions before checking the answers below.

IELTS Reading Tip

Most IELTS Reading questions follow the order of the passage. If you read the paragraphs carefully and scan for keywords, you can easily locate the correct answers.

Questions 1-5

The passage has five paragraphs: A-E.

Which paragraph contains the following information?

Write the correct letter, A-E, in boxes 1-5 on your answer sheet.

Note: You may use any letter more than once.

1. Mention of several challenges to be overcome before a green roof can be installed
2. Reference to a city where green roofs have been promoted for many years
3. A belief that existing green roofs should be used as a model for new ones
4. Examples of how green roofs can work in combination with other green urban initiatives
5. The need to make a persuasive argument for the financial benefits of green roofs

Green Roofs Reading Answers with Explanations 1-5

Question Type: Matching Information

In matching information questions, you need to match each statement with the paragraph that contains the same idea. The exact words may not always be repeated, so focus on meaning and paraphrasing.

1. D

Reference:
From Paragraph D: “There are several practical challenges that need to be considered before installing a green roof…”

Explanation:
Paragraph D discusses the different challenges involved in installing green roofs. These include drainage, safety requirements, planning restrictions, public access, and disruption during installation. Therefore, the correct answer is D.

2. C

Reference:
From Paragraph C: “Toronto in Canada has had policies since the 1990s that support the development of rooftop urban farms.”

Explanation:
Paragraph C refers to Toronto, where policies supporting rooftop urban farming and green roof development have existed since the 1990s. This clearly shows that green roofs have been promoted there for many years. Therefore, the correct answer is C.

3. E

Reference:
From Paragraph E: “Successful examples need to be studied and repeated in other places…”

Explanation:
Paragraph E states that successful examples of green roofs should be studied and copied in other cities. This means existing green roof models can be used as examples for future projects. Therefore, the correct answer is E.

4. B

Reference:
From Paragraph B: “Green roofs can be combined with other urban green initiatives such as living walls…”

Explanation:
Paragraph B explains how green roofs can work together with living walls, street trees, and drainage systems. These are examples of green roofs being combined with other urban environmental initiatives. Therefore, the correct answer is B.

5. D

Reference:
From Paragraph D: “Economic arguments are also important when convincing investors and developers…”

Explanation:
Paragraph D explains that investors and developers need to understand the financial value of green roofs. It also mentions the concept of “natural capital” to show how nature can bring economic benefits. Therefore, the correct answer is D.

Questions 6-9

Complete the summary below.

Choose ONE WORD ONLY from the passage for each answer.

Write your answers in boxes 6-9 on your answer sheet.

Advantages of Green Roofs

City rooftops covered with greenery have many advantages. These include lessening the likelihood that floods will occur, reducing how much money is spent on (6) _________ and creating environments that are suitable for wildlife. In many cases, they can also be used for producing (7) _________.

There are also social benefits of green roofs. For example, the medical profession recommends (8) _________ as an activity to help people cope with mental health issues. Studies have also shown that the availability of green spaces can prevent physical problems such as (9) _________.

Green Roofs Reading Answers with Explanations 6-9

Question Type: Summary Completion

In summary completion questions, you must complete the missing words using information from the passage. Always check the word limit. Here, you must write one word only.

6. Energy

Reference:
From Paragraph A: “These benefits include saving energy costs…”

Explanation:
The summary says green roofs reduce the amount of money spent on something. Paragraph A mentions that green roofs help save energy costs. Therefore, the answer is Energy.

7. Food

Reference:
From Paragraph A: “…and even growing food.”

Explanation:
Paragraph A clearly states that green roofs can be used for growing food. This matches the summary statement about producing something on rooftops. Therefore, the answer is Food.

8. Gardening

Reference:
From Paragraph B: “Doctors are increasingly recommending outdoor gardening to patients dealing with anxiety and depression.”

Explanation:
The question asks which activity doctors recommend for people with mental health issues. Paragraph B mentions outdoor gardening for patients dealing with anxiety and depression. Therefore, the answer is Gardening.

9. Obesity

Reference:
From Paragraph B: “…help people avoid obesity.”

Explanation:
Paragraph B states that access to green spaces can help people avoid obesity. Since the summary asks for a physical problem that green spaces can prevent, the correct answer is Obesity.

Questions 10-13

Questions 10 and 11

Choose TWO letters, A-E.

Write the correct letters in boxes 10 and 11 on your answer sheet.

Paragraph C of the passage mentions TWO advantages of using newer buildings for green roofs.

A. A longer growing season for edible produce
B. More economical use of water
C. Greater water-storage capacity
D. Ability to cultivate more plant types
E. A large surface area for growing plants

Questions 12 and 13

Choose TWO letters, A-E.

Write the correct letters in boxes 12 and 13 on your answer sheet.

In Paragraph E of the passage, which TWO aims of new variations on the concept of green roofs are mentioned?

A. To provide habitats for a wide range of species
B. To grow plants successfully even in the wettest climates
C. To regulate the temperature of the immediate environment
D. To generate power from a sustainable source
E. To collect water to supply other buildings

Green Roofs Reading Answers with Explanations 10-13

Question Type: Multiple Choice Questions

In multiple-choice questions, read the question carefully and identify the exact paragraph mentioned. Then compare each option with the information in that paragraph. Eliminate the options that are not clearly supported by the passage.

10 & 11. C, D

Reference:
From Paragraph C: “Newer buildings can usually handle these requirements better…”
From Paragraph C: “Stronger roofs also allow deeper soil, which makes it easier to grow a wider variety of plants.”

Explanation:
Paragraph C explains that newer buildings can usually hold more weight and manage rooftop water requirements better. This supports option C, greater water-storage capacity. It also states that stronger roofs allow deeper soil, which helps grow more types of plants. This supports option D, ability to cultivate more plant types.

Therefore, the answers are C and D.

12 & 13. A, D

Reference:
From Paragraph E: “There are also combinations of green roofs with solar panels, as well as brown roofs, which are wilder and designed to increase biodiversity.”

Explanation:
Paragraph E mentions brown roofs, which are designed to increase biodiversity. This means they aim to provide habitats for a wide range of species, so option A is correct.

The paragraph also mentions green roofs combined with solar panels. Solar panels are used to generate renewable power, so option D is correct.

Therefore, the answers are A and D.

IELTS Reading Skills Used in Green Roofs Passage

The Green Roofs IELTS Reading Answers passage is useful for practising several important IELTS Reading skills. These include identifying specific information, completing summaries, understanding paraphrasing, and choosing correct options from multiple-choice questions.

This passage also helps students learn how IELTS uses synonyms. For example, “saving on energy costs” can be paraphrased as “reducing how much money is spent on energy”. Similarly, “help people avoid obesity” can be understood as preventing a physical health problem.

Tips to Solve Green Roofs IELTS Reading Answers

Read the question before reading the full paragraph in detail. This will help you know what information to look for.

Focus on keywords such as “newer buildings,” “Toronto,” “living walls,” “natural capital,” “solar panels,” and “biodiversity.”

Do not expect the same words in the question and passage. IELTS often uses paraphrasing.

For summary completion, always copy the word exactly from the passage.

For multiple-choice questions, check all options carefully and choose only the answers that are directly supported by the paragraph.

Conclusion

The Green Roofs IELTS Reading Answers passage is an important practice topic for students preparing for the IELTS Reading test. It covers environmental sustainability, modern city planning, public health, and the economic value of nature. By practising this passage, students can improve their ability to match information, complete summaries, and answer multiple-choice questions accurately.

Regular practice with IELTS Reading passages like Green Roofs will help you build speed, understand paraphrasing, and improve your overall band score.

Want to improve your IELTS Reading score with expert guidance?

Join Pacific Educational Consultant for professional IELTS coaching, updated practice material, mock tests, and personal guidance.

Book your free IELTS demo class today and take the next step towards your study abroad dream.