Environment Vocabulary IELTS

Manimegalai Samidurai

Author

23-06-2025

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Expanding Environment vocabulary IELTS will definitely help you somewhere. Candidates should learn to use proper and perfect vocabulary words in IELTS modules especially environment vocabulary IELTS writing and speaking modules. Since IELTS vocabulary plays an important role in actual  IELTS exams. 

The environment is a familiar topic in the IELTS exams. Candidates can expect environment related questions in IELTS writing task 2 and in the IELTS speaking part 3. You will be asked about environmental problems, predict the consequences, precautions to save the environment, etc. Read the complete article to learn more about environment-related vocabulary words.

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Table of contents

Vocabulary words - Environment

Get the common environment-related vocabulary words and their meaning, collocations, and examples to learn correct usage and increase your overall IELTS band score in the actual IELTS test.

vocabulary-words-environment

S.n Words/ phrases Parts of speech Meaning  Possible collocations Example
1 Climate  Noun Climate is the weather condition that happens in a particular place for over a longer period of time Climate change, Climate condition, Climate factor, Climate protection We need to adapt to this abnormal climate.
2 Ecosystem Noun It is an interconnected system where animals, plants and other organisms, work together to form a physical environment. Aquatic ecosystem, healthy ecosystem, protect the ecosystem, natural ecosystem. Pollution is the main cause of the unhealthy ecosystem
3 Drought Noun No rain or little rain for a longer period/ shortage of rain or water Drought tolerance, Drought stress, Drought relief, extended Drought extended Drought Last year, there was an extreme drought in this country
4 Carbon dioxide Noun Carbon dioxide is the colorless and odorless gas at normal temperature Emit carbon, produce carbon, remove carbon, reduce carbon, absorb carbon A large amount of carbon dioxide is the major cause for the bad effect of atmosphere
5 Habitat Noun A natural environment of plants, animals and other organisms. Natural habitat, Native habitat, Conserve habitat, Habitat creation Trees and plants play a vital role to create a natural habitat. 
6 Energy Noun Energy is the capacity of doing mental or physical activity Excess energy, Boundless energy, Conserve energy, Lack energy She rocked the show last night with excess energy.
7 Biodiversity  Noun Biodiversity is the variety of living organisms in one place that make up the natural world. Biodiversity protection, Global biodiversity, Rich biodiversity. We have a responsibility to preserve biodiversity by encouraging gardening. 
8 Endangered species  Noun A specific group of plants or animals are at risk of extinction.  Seriously endangered species, save endangered species, protect endangered species The endangered species is increasing these days.
9 Ozone layer Noun Ozone layer is the thin layer that protects the earth from the sun’s harmful rays Damage the ozone layer, ozone layer protect, depletion of the ozone layer The ozone layer protects the earth from radiation  
10 Vegetation Noun It means plant life or plants collectively found in particular area Natural vegetation, decaying vegetation, and sparse vegetation The thick and lush vegetation was found in that area.

Click to download the environment vocabulary IELTS pdf 

Significant words for environment problems

S.n Words/ phrases Parts of speech Meaning  Possible collocations Example
1 Acid rain Noun Acid rain consists of water droplets that are highly acidic due to atmospheric emissions Damaged from acid rain, Causing acid rain, problem of acid rain, acid rain causes. Energy should be produced without fossil fuels to reduce acid rain.
2 Global warming Noun Global warming is the long term heating of earth’s surface due to human activity, fossil fuel. Combat global warming, Effect of global warming, Global warming impacts The impacts of global warming have become more and more obvious.
3 Climate change Noun Climate change is the long term changes in temperature and weather patterns Abrupt climate change, Serious climate change, combat climate change. Extreme climate change could have some dangerous impacts.
4 Environmentalist  Noun A person who is concerned about environmental impacts and strives to protect the environment. Encourage environmentalist,
Committed environmentalist, famous environmentalist 
She is a popular environmentalist who wanted to change things
5 Pollution  Noun Pollution is the presence of harmful materials in the environment.  Avoid pollution, Control pollution, reduce pollution, prevent pollution, air pollution, water pollution Pollution is everywhere in current times. 
6 Fumes Noun Fume is an amount of gas or vapour with an unpleasant odor and is dangerous to inhale. Produce fumes, emit fume, release fume, fumes effects, exhaust fumes Many people fell sick due to the toxic fumes released in the area.
7 Deforestation  Noun Deforestation is the clearance of large amounts of trees and plants.  Deforestation rate, effects of deforestation, discourage deforestation Deforestation causes for many reasons and especially for converting forests into timber. 
8 Land clearance Verb Land clearance is the removal of unwanted  buildings, trees and other things.  Requires land clearing, agricultural land clearing, land clearing effects  The land clearance work was expected to be completed next month.
9 Greenhouse effect Noun Greenhouse effect is the process of absorbing the sun’s radiation and re-emit in all directions to warm the earth’s surface Contribute to the greenhouse effect, Benefits of greenhouse, Greenhouse effect importance, Greenhouse effect impact She explained the greenhouse effect and its importance.
10 Extinct adjective Extinction means no longer in existence on earth.  Possible extinct, danger of extinction, brink of extinction We need to protect many endangered species from extinction.

Click to download the environment problems vocabulary IELTS pdf

Significant words for environment impact

significant-words-for-environment-impact

    1. Desertification

Meaning - Desertification is a transformation of fertilelands into deserts due to drought, human activities,deforestation, climate change, etc.

          Parts of speech - Noun

         Collocations - prevent desertification, desertification impacts, effects of  desertification.

         Example - People are initiated to take some actions to  prevent further desertification

   2. Earthquake

        Meaning - A sudden movement or violent shaking of the ground.

        Parts of speech - Noun

        Collocations - Destructive earthquake, Earthquake causes, Impacts of earthquake, Terrible earthquake.

        Example - Many buildings were destroyed due to a horrible earthquake 

  3. Flood 

        Meaning - A rising or overflowing of water in the land beyond its normal limit.

        Parts of speech - Noun

        Collocations - Sudden floods, flash floods, devastating floods, severe floods, flood effects.

        Example - Many people including kids were killed in the floods last year.

   4. Landslide

        Meaning - Landslides are natural disasters. It occurs when ground or rocks becomes unstable

        Parts of speech - Noun    

        Collocations - Biggest landslide, a landslide destroyed, caused a landslide. 

        Example - The total area was destroyed by a landslide. 

   5. Tsunami 

Meaning - Tsunami is the huge wave in the sea that is caused due to the movements under the surface of the earth. 

          Parts of speech - Noun

         Collocations - Massive tsunami, caused by tsunami, tsunami effects, tsunami impacts. 

         Example - Numerous people were affected by the tsunami. 

   6. Contaminated

        Meaning - Adding some unwanted substance to make something dirty or poisonous. 

        Parts of speech - Adjective

        Collocations - stop contamination, reduce contamination,avoid contamination, prevent contamination

        Example - Awareness program is conducted to reduce water contamination.

  7. Noxious

       Meaning - Noxious is something unpleasant, poisonous or very harmful

       Parts of speech - Adjective

       Collocations - Noxious effects, noxious substance, noxious gases

       Example - An employee died due to the noxious fumes at the industry.

  8. Toxic

       Meaning - containing or being poisonous that causes serious result like death 

       Parts of speech - Adjective

       Collocations - highly toxic, toxic waste, severe toxicity, toxic fumes/gases

       Example - Gas that is released from that industry is highly toxic. 

  9. Threat 

       Meaning - Threat is a situation or activity that cause harm or negative consequences

       Parts of speech - Noun

       Collocations - constant threat, credible threat, death threat, dangerous threat

       Example - Never be frightened by someone's threat.

10. Dying out

       Meaning - Dying out is less common and ultimately become extinct

       Parts of speech - Verb

       Collocations - danger of dying out, prevent dying out, avoid dying out, dying out, impacts

       Example - We see the most interesting animals are dying out these days.

Click to download the impact of environment vocabulary pdf 

Significant words for protecting the environment

  1. Recycle

       Meaning - Recycling is the process of converting waste materials into new products. 

       Parts of speech - Verb

       Collocations - Increase recycling, encourage recycling, maximize recycling

       Example - Plastic cans and bottles should be recycled rather than thrown away.  

  2. Rainwater harvesting

Meaning - Rainwater harvesting is the collection or storage of rainwater that runs off from terraces, rooftops, ground, roads, etc.  

          Parts of speech - Noun 

Collocations - Rainwater harvesting techniques, methods of rainwater harvesting,benefits of rainwater harvesting, rainwater harvesting processes.

          Example - We should always encourage the attempts of rainwater harvesting.

  3. Greenhouse effect

Meaning - The greenhouse effect is the process of absorbing infrared radiation from the sun and re-emitted it in all directions by greenhouse gas molecules to warm the earth’s surface and lower atmosphere.

          Parts of speech - Noun

Collocations - Natural greenhouse effect, greenhouse effect causes, enhanced greenhouse effect, greenhouse effect impacts.

Example - The greenhouse effect contributes to an increase in the planet’s average temperature and climate.

  4. Sustainable

       Meaning - Sustainable is able to maintain or continue for a specific limit or over a period of time.

       Parts of speech - Adjective

       Collocations - sustainable development, environmentally sustainable, truly sustainable, completely sustainable.

       Example - We only can reach our goal if we have sustainable energy and growth. 

  5. Conservation

Meaning - Conservation is the special care, attention to preservation, or protection of something.

Parts of speech - Noun

Collocations - Nature conservation, conservation area, energy conservation, water conservation, conservation of fuel.

Example - Awareness should be created among people about water conservation.

  6. Veganism 

Meaning - Veganism is the practice of not using or eating animal products like meat, fish, eggs, or dairy products made from animals.

Parts of speech - Noun

Collocations - Try veganism, strict veganism, grow veganism, raw veganism

 Example - Veganism is hard to follow only until you apply it to your lifestyle.

  7. Afforestation

Meaning - Afforestation is the act of planting trees on a particular area of land that has not recently been covered with forest.

Parts of speech - Noun

Collocations - Afforestation areas, afforestation programs, afforestation responsibilities 

Example - Afforestation benefits from an increase in rainfall and improvement in groundwater level.

  8. Compost 

       Meaning - Compost is the organic material like food scraps, that can be added to the soil for plant growth.

       Parts of speech - Noun

       Collocations - compost uses, compost benefits, collect compost, compost bin, make compost 

       Example - We should use compost to improve our garden soil and increase plant growth.

  9. Solar power

       Meaning - Solar power is the electricity that converts from sunlight through mirrors or photovoltaic panels.

       Parts of speech - Noun

       Collocations - use solar power, solar power benefits, solar power capacity, concentrated solar power

       Example - Solar power is very useful these days for cooking, charging batteries, water heaters, etc

10. Safeguard

       Meaning - Safeguard is an appropriate action taken to protect someone or something from harm or damage

       Parts of speech - Noun

       Collocations - appropriate safeguard, legal safeguard, basic safeguard, special safeguard, reasonable safeguard

       Example - It is our responsibility to safeguard the environment for future generations. 


Click to check out more collocations for IELTS

Download protecting the environment vocabulary pdf here

Idioms for environment

S.no Idiom Meaning Example
1 Go green Simply put, go green is used when encouraging people to say use more green to save green. Eco-friendly products should be used.  Going green is very important for kids as they must learn to save the environment.
2 Go solar It is used when motivating people to collect solar energy using solar panels Go solar, create natural energy, and save your money 
3 Green thumb The abnormal ability to grow plants and being healthy My friend has a green thumb, so I am eager to learn from her.
4 Reuse Reuse word is used when we educate people to reuse things rather than throwing away. Parents should teach children how to reuse wrapping paper, plastic bags, boxes, etc. 
5 Recycle Recycle is the process of converting waste into reusable products or material They are learning various methods to recycle cans and bottles into reusable material
6 Get back to nature Wish to return to get back to the old form or be with nature Sita desire to get back to nature but she can't due to her busy days. 

Check out idioms for IELTS speaking

Check other important topics

Conclusion

To conclude, indubitably, environment is the common theme that can be asked in various IELTS modules. Go through all the environment vocabulary IELTS provided on this page to enhance your vocabulary skills. Practice more using vocabulary words in a flexible manner.

Faqs

1. What is environment IELTS?

Environment is the typical and popular subject in all four modules of IELTS particularly in the speaking and writing sections. The questions or topics can be issues, impacts, or hot topics of the environment. So be prepared with this theme.

2. List the words related to environment?

  • Atmosphere
  • Biodiversity
  • Climate
  • Oxygen 
  • Smog
  • Fossil gas
  • Grassland 
  • Freshwater 
  • Climate change
  • Ecosystem 

3. What are the major environmental problems IELTS speaking?

  • Environmental hazard
  • Deforestation
  • Pollution 
  • Species extinction 
  • Environmental disorder 

4. How to answer for environment IELTS topic in speaking part 3?

Observe the question clearly. Often, the examiner will ask you about some common environmental issues you have encountered. So, share your own opinion by using proper vocabulary words in a natural way.   

5. What are the three R’s and why it is important?

Reduce, reuse and recycle are the three R’s that are important to sustain a good environment. All three R’s are conveying the good moral of wasting less and using things again. 

Manimegalai Samidurai

About Author Manimegalai Samidurai

Manimegalai is a multifaceted professional, excelling as an author, writer, and study-abroad expert. Her vast knowledge of English proficiency exams, including IELTS, GRE, SAT, and PTE, and exceptional content writing skills make her a go-to resource for students seeking guidance and support in their foreign education journey. She is a trusted authority in writing content related to these test-prep exams, making her an invaluable resource for those seeking guidance. With her well-researched and informative blogs, articles, and study materials, Manimegalai has helped countless students achieve their desired band scores and get admissions to top-notch colleges & universities in countries like Canada, USA, UK, Australia, Ireland, etc. 

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