IELTS Speaking · Vocabulary · Topic
Environment vocabulary for IELTS Speaking
Last updated 2 September 2026
In short
Climate, sustainability, and conservation vocabulary that examiners love. This collection gathers 20 high-value words for the environment topic, each with a clear definition, example sentences and the collocations that make it sound natural in the IELTS Speaking test.
Word list
All 20 words in this collection, with meanings and example sentences.
- conservation
- The protection and careful management of the natural environment and resources.
- “Wildlife conservation depends on funding and awareness.”
- eco-friendly
- Not harmful to the environment.
- “The company uses eco-friendly packaging.”
- renewable
- (Of energy or resources) able to be replenished naturally and not used up.
- “Solar and wind are renewable sources of energy.”
- sustainable
- Able to continue over time without depleting natural resources or harming the environment.
- “We need a more sustainable approach to farming.”
- breathtaking
- Astonishingly beautiful or impressive.
- “The view from the summit was breathtaking.”
- carbon footprint
- The total amount of greenhouse gases produced by a person, activity, or organisation.
- “Flying less is one way to reduce your carbon footprint.”
- deforestation
- The clearing or removal of forests, usually for farming or development.
- “Deforestation threatens countless species.”
- emissions
- Gases or substances released into the atmosphere, especially those that cause pollution.
- “Governments have pledged to cut carbon emissions.”
- biodiversity
- The variety of plant and animal life in a particular habitat or on Earth.
- “Rainforests are rich in biodiversity.”
- degradation
- The process by which the quality of the environment is damaged or reduced.
- “Overfarming leads to soil degradation.”
- depletion
- The reduction of something, especially a natural resource, by using it up.
- “The depletion of fish stocks worries scientists.”
- detrimental
- Tending to cause harm or damage.
- “Plastic waste is detrimental to marine life.”
- finite
- Limited in size or amount; having an end.
- “Fossil fuels are a finite resource.”
- offset
- To counteract or balance out something with an opposing force or action.
- “Airlines let passengers offset their carbon emissions.”
- picturesque
- Visually attractive, especially in a quaint or charming way.
- “We stayed in a picturesque fishing village.”
- tipping point
- The critical point at which a change becomes unstoppable or irreversible.
- “Scientists warn the climate may be nearing a tipping point.”
- urbanisation
- The increasing movement of people from rural areas into towns and cities.
- “Rapid urbanisation has strained public services.”
- viable
- Capable of working successfully; feasible.
- “The business is no longer commercially viable.”
- mitigate
- To make something bad less severe or harmful.
- “Planting trees can help mitigate climate change.”
- pristine
- In its original, unspoilt condition; spotlessly clean.
- “The reserve protects a stretch of pristine coastline.”
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Frequently asked questions
How can I remember environment vocabulary for IELTS?
Use spaced repetition and active recall rather than rote lists: review each word with flashcards and quizzes at growing intervals, and practise saying it aloud in your own example sentences.
How many words are in this collection?
This collection has 20 hand-picked words, each with a definition, pronunciation, example sentences, synonyms and collocations.