I’m Chen Wei, an IELTS Reading expert with ten years of experience teaching Cambridge passages, including Cambridge 20 Reading Test 4 Passage 2 – Adapting to the Effects of Climate Change.
At IELTS Zone, I help learners analyse scientific texts by identifying key processes, linking causes and effects, and interpreting data — essential skills for achieving Band 7 and above in IELTS Reading.
This Cambridge 20 Reading Test 4 Passage 2 explores how different countries are responding to global warming through engineering, architecture, and agriculture. It includes Matching Information, Sentence Completion, and Matching People with Statements questions, testing your ability to track examples and locate details efficiently.
Cambridge 20 Reading Test 4 Passage 2
Questions 14–17 | Matching Information
This Matching Information question type requires you to scan for specific details within different paragraphs. To practise efficient keyword location and avoid distractors, visit our guide on 👉 Matching Information in IELTS Reading.
- how a type of plant functions as a natural protection for coastlines
Keywords: plant, natural protection, coastlines
Location: *Paragraph C — Lines 4–9 (“…ecosystems of trees and shrubs that help defend coastal areas by trapping sediment in their net-like root systems…”) *
Explanation: Mangroves defend shorelines by holding sediment and reducing wave energy, acting as natural barriers against erosion.
Answer: C
- a prediction about how long it could take to stop noticing the effects of climate change
Keywords: prediction, how long, effects of climate change
Location: *Paragraph A — Lines 3–6 (“…scientists forecasting that global warming would continue for around 40 years…”) *
Explanation: Even if emissions stopped now, warming would continue for about 40 years, a clear prediction of duration.
Answer: A
- a reference to the fact that a solution is particularly cost-effective
Keywords: cost-effective, cheap, economic
Location: *Paragraph D — Lines 5–8 (“…It’s much cheaper than permanently elevating houses… about a third of what it would cost…”) *
Explanation: Elizabeth English compares amphibious housing costs with permanent elevation, highlighting its affordability.
Answer: D
- a mention of a technology used to locate areas most in need of intervention
Keywords: technology, locate areas, intervention
Location: *Paragraph F — Lines 5–7 (“Using a Geographic Information System data mapping tool, the programme identified streets with low tree canopy cover…”) *
Explanation: Greg Spotts used GIS mapping to find target neighbourhoods for LA’s cool pavement programme.
Answer: F
If you want to learn how we scan and skim information quickly in IELTS Reading, explore our step-by-step guides on 👉 Scanning for Details and 👉 Summary Completion to build speed, accuracy, and confidence.
Questions 18–22 | Sentence Completion
This Sentence Completion question type follows the order of the text. To master how to spot grammar clues and identify word-limit rules, visit our guide on 👉 Sentence Completion in IELTS Reading.
- The stormwater-management programme in Miami Beach has involved the installation of efficient _____
Keywords: stormwater, Miami Beach, installation
Location: Paragraph B — Lines 5–7 (“…set up new pumps that can remove up to 75,000 litres of water per minute.”)
Explanation: The programme features powerful pumps to control flooding in low-lying areas.
Answer: pumps
- The construction of _____ was the first stage of a project to ensure the success of mangroves in Indonesia.
Keywords: construction, project, mangroves, Indonesia
Location: *Paragraph C — Lines 9–13 (“…building semi-permeable dams, made from bamboo poles and brushwood, to mimic the role of mangrove roots…”) *
Explanation: Semi-permeable dams help trap sediment and create conditions for natural mangrove growth.
Answer: dams
- As a response to rising floodwaters in the Mekong Delta, a not-for-profit organisation has been building houses that can _____
Keywords: Mekong Delta, houses, rising floodwaters
Location: Paragraph D — Lines 2–5 (“…four small houses rose with them. Homes … built to float.”)
Explanation: Amphibious houses adapt by floating during floods instead of being fixed on stilts.
Answer: float
- Rising sea levels in Bangladesh have made it necessary to introduce various _____ that are suitable for areas of high salt content.
Keywords: Bangladesh, sea levels, high salt, suitable
Location: Paragraph E — Lines 6–10 (“…start cultivating naturally salt-tolerant crops in the region.”)
Explanation: Farmers grow salt-tolerant crops like carrot and beetroot to adapt to saline soils.
Answer: crops
- A project in LA has increased the number of _____ on the city’s streets.
Keywords: project, LA, increased, streets
Location: *Paragraph F — Lines 3–6 (“…pilot projects, which include the planting of trees…”) *
Explanation: The Cool Streets programme includes urban tree-planting to lower temperature.
Answer: trees
If you want to strengthen grammar awareness for Sentence Completion tasks and avoid extra words, review our step-by-step training on 👉 Sentence Completion in IELTS Reading.
Questions 23–26 | Matching People with Statements
This Matching Features question type asks you to connect opinions with their speakers. To learn how to match names and ideas efficiently, explore our guide on 👉 Matching Features in IELTS Reading.
- It is essential to adopt strategies which involve and help residents of the region.
Keywords: essential, strategies, involve residents
Location: Paragraph C — Final Lines (“…embed natural processes and that engage and benefit communities and local decision-makers.”)
Explanation: Susanna Tol emphasises community involvement for sustainable success.
Answer: B – Susanna Tol
- Interventions which reduce heat are absolutely vital for our survival in this location.
Keywords: reduce heat, vital, survival
Location: Paragraph F — Lines 7–9 (“‘Urban cooling is literally a matter of life and death for our future in LA,’ says Spotts.”)
Explanation: Greg Spotts stresses that urban cooling is crucial for Los Angeles.
Answer: E – Greg Spotts
- More work will need to be done in future decades to deal with the impact of rising water levels.
Keywords: future decades, impact of rising water
Location: *Paragraph B — Final Lines (“‘We know that in 20, 30, 40 years, we’ll need to go back in there and adjust…’”) *
Explanation: Yanira Pineda acknowledges that Miami Beach must continue updating its defences.
Answer: A – Yanira Pineda
- The number of locations requiring action to adapt to flooding has grown in recent years.
Keywords: locations requiring action, flooding, growth
Location: *Paragraph D — Lines 3–8 (“‘…this technology is becoming necessary in places that didn’t previously need it.’”) *
Explanation: Elizabeth English notes that amphibious housing is now needed in more regions.
Answer: C – Elizabeth English
Practice & Further Resources
Excellent work! You’ve completed Cambridge 20 Reading Test 4 Passage 2 – Adapting to the Effects of Climate Change. Continue practising with our 👉 IELTS Reading Practice Tests. To master the full test set, complete the Cambridge IELTS 20 series — Reading Test 3, Listening Test 3, Writing Test 3, and Speaking Test 3.
Tips for Success
- Predict answers using context and grammatical fit.
• Underline key nouns like places and names to track information.
• Remember that Matching tasks are not always in order.
• Practise related skills in 👉 Reading for Inference and 👉 Time Management Tips.
New Vocabulary
Expand your IELTS lexis on our 👉 IELTS Vocabulary page.
- Subsidence – gradual sinking of land or buildings
- Amphibious – able to operate both on land and in water
- Salinity –measure of salt content in soil or water
- Sustainability – ability to maintain environmental balance
- Resilience – capacity to recover from difficulties
Final Thoughts
The Cambridge 20 Reading Test 4 Passage 2 – Adapting to the Effects of Climate Change passage highlights human innovation and resilience in response to global warming. It strengthens your ability to match information, recognise paraphrased detail, and understand examples across multiple contexts — essential skills for achieving Band 7+ in IELTS Reading.
Next, continue with Cambridge 20 Reading Test 4 Passage 3 – A New Role for Livestock Guard Dogs, which explores how animals are being used in conservation efforts.
FAQ
Q1. What is the main topic of this passage?
Global innovations and community responses to climate change.
Q2. Which question types appear here?
Matching Information, Sentence Completion, and Matching People with Statements.
Q3. How can I improve accuracy in Matching tasks?
Underline names and note the specific opinion expressed.
Q4. What IELTS skills does this passage develop?
Scanning for details, identifying paraphrases, and matching factual evidence.
References
For authentic IELTS information and exam updates, visit the British Council, IDP IELTS, and IELTS.org. To expand your preparation with expert-led online training, explore Course Line – IELTS Preparation Courses. These authoritative resources support your path toward mastering Cambridge IELTS Reading passages.


