IELTS vocabulary · Society and the world

IELTS Vocabulary for the Environment

Environment vocabulary comes up constantly across the test: Part 1 questions about recycling or transport, Part 2 cards like describing a natural place or an animal you find interesting, Part 3 discussions about governments versus individuals, and Writing Task 2 essays on pollution or climate policy. Because the topic is so predictable, examiners quickly notice whether a candidate has genuine range or is recycling the same three phrases.

What separates a Band 6 answer from a Band 7 one here is rarely the words themselves — it is precision and collocation. Saying “pollution is very bad” is understandable but generic; saying “air quality has deteriorated” names the change and shows control of natural word pairings. The most common mistakes are overusing “the environment” as a catch-all noun instead of naming the specific issue, reaching for a rare word like “greenwashing” without being able to use it correctly in a sentence, and repeating “protect nature” in almost every answer instead of varying between recycling, emissions, wildlife, and resources depending on the actual question.

Where this topic comes up

  • Part 1Warm-up questions about your own life — “Do you do anything to help the environment?”, and four more below.
  • Part 2A two-minute turn on a card such as Describe a natural place you have visited, Describe an animal you find interesting.
  • Part 3The abstract follow-ups, where precision counts most — “Should governments or individuals take responsibility for reducing pollution?”.
  • Writing Task 2Essay questions on the environment reward exactly the same phrases — a collocation you can say is one you can write.

Instead of… say…

Same idea, sharper words. The left column is what most candidates reach for first; the right is what an examiner hears as precise.

Instead ofSay
pollution is very bad air quality has deterioratednames the specific problem and its direction
people should not waste things people should cut down on wastenatural phrasal verb, not a flat command
the weather is changing a lot weather patterns have become more extremeprecise and matches how examiners phrase it
we need to use less plastic we need to reduce single-use plasticnames the actual category, not just "plastic"
factories make the air dirty factories emit harmful pollutantsverb "emit" is more accurate than "make dirty"
animals are dying out because of us human activity is driving species to extinctionformal register fits Part 3 discussion
it is good for nature it benefits the local ecosystemecosystem" is more specific than "nature
the government should do something about it the government should enforce stricter regulationsnames an action instead of "do something"

Phrases by band

Each phrase comes with what it means and one sentence you could actually say. Learn the sentence, not the word on its own.

Band 6

Band 6 essentials

Clear, correct, common. These carry a whole answer without sounding rehearsed.

  • pollution

    word

    harmful substances or waste damaging air, water, or land

    In my city, pollution gets much worse in winter because of traffic.

  • recycle

    word

    to process used materials so they can be used again

    My family started to recycle paper and bottles a few years ago.

  • climate change

    collocation

    long-term shifts in global temperatures and weather patterns

    I think climate change is the biggest problem my generation will face.

  • natural resources

    collocation

    materials like water, wood, or minerals that come from nature

    My country has a lot of natural resources, especially forests and rivers.

  • renewable energy

    collocation

    power from sources that do not run out, like sun or wind

    More houses near me are switching to renewable energy like solar panels.

  • protect the environment

    collocation

    to act so that nature is not damaged

    I try to protect the environment by walking instead of driving short distances.

  • plastic waste

    collocation

    rubbish made of plastic that is thrown away

    There is so much plastic waste on the beaches near my hometown.

  • wildlife

    word

    animals and plants living in their natural environment

    The national park near my city protects a lot of local wildlife.

  • public transport

    collocation

    buses, trains, and other shared transport open to everyone

    I take public transport to work because it produces less pollution than driving.

  • carbon emissions

    collocation

    the amount of carbon dioxide released into the air

    Factories in my region are being asked to lower their carbon emissions.

Band 7

Band 7 collocations

Words that belong together. This is where lexical resource starts to separate a 6 from a 7.

  • carbon footprint

    collocation

    the amount of carbon dioxide your activities produce

    Flying less is the easiest way to shrink my carbon footprint.

  • phase out

    phrasal verb

    to gradually stop using something

    My country plans to phase out petrol cars over the next decade.

  • take a toll on

    idiom

    to cause gradual damage or harm

    I think years of overfishing take a toll on local fish populations.

  • die out

    phrasal verb

    to become extinct or disappear completely

    Several bird species in the area have started to die out.

  • environmentally friendly

    collocation

    causing little or no harm to nature

    I always look for environmentally friendly packaging when I go shopping.

  • deplete natural resources

    collocation

    to gradually use up resources faster than they renew

    Heavy industry in the region continues to deplete natural resources quickly.

  • dwindling resources

    collocation

    a supply of something that is steadily decreasing

    Farmers in the area are already struggling with dwindling resources like water.

  • curb emissions

    collocation

    to limit or reduce harmful gases released into the air

    New taxes on fuel are meant to curb emissions from private cars.

  • crack down on

    phrasal verb

    to take strong action to stop something illegal

    Authorities have started to crack down on illegal logging in the forest.

  • raise awareness

    collocation

    to help more people understand or notice an issue

    Our school ran a campaign to raise awareness about ocean plastic.

  • single-use plastic

    collocation

    plastic items designed to be thrown away after one use

    My city banned single-use plastic bags in supermarkets last year.

  • tackle climate change

    collocation

    to take direct action to address climate change

    Young people I know feel we should tackle climate change more urgently.

Band 8

Band 8 precision

Precise, and often idiomatic. Use one where it genuinely fits, never as decoration.

  • irreversible damage

    collocation

    harm that cannot be undone or repaired

    Scientists warn that some coral reefs have already suffered irreversible damage.

  • a drop in the ocean

    idiom

    an amount too small to make a real difference

    One recycling bin per street feels like a drop in the ocean.

  • greenwashing

    word

    falsely presenting a product or company as environmentally friendly

    Some brands are guilty of greenwashing rather than making real changes.

  • unsustainable practices

    collocation

    ways of doing things that cannot continue without causing harm

    The fishing industry there has relied on unsustainable practices for decades.

  • biodiversity loss

    collocation

    the reduction of different species and habitats in an area

    Deforestation is one of the main causes of biodiversity loss worldwide.

  • at the mercy of

    idiom

    completely vulnerable to something with no control over it

    Coastal towns are increasingly at the mercy of rising sea levels.

  • offset

    word

    to balance out one effect with an opposite action

    Some airlines let passengers offset the emissions from their flight.

  • the tipping point

    collocation

    the moment when change becomes irreversible or unstoppable

    Some scientists believe we are close to the tipping point on ice loss.

Test yourself

8 sentences from the examples above, with the phrase taken out. Pick the phrase that belongs in the gap — press 14 or tap.

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Practise it out loud

A phrase you have only read is not yet yours. Answer these aloud and count how many of the phrases above you actually reach for.

Part 1 questions

  • Do you do anything to help the environment?
  • Is recycling common where you live?
  • How do you usually travel around your city?
  • Are there many parks or green spaces near your home?
  • Do you think people in your country care about the environment?

Part 3 questions

  • Should governments or individuals take responsibility for reducing pollution?
  • Why do some countries do more to protect the environment than others?
  • What can schools do to teach children about environmental issues?
  • Is it possible for economic growth and environmental protection to happen together?
  • How might daily life change if climate change gets worse?

Frequently asked questions

Is it safe to say "global warming" and "climate change" as if they mean the same thing?

In everyday speech, yes - examiners will not penalise this. "Climate change" is the broader, more current term and works safely in both Speaking and Writing Task 2.

Do I need scientific vocabulary to score well on environment topics?

No. Lexical Resource rewards precise, natural collocations like "carbon footprint" or "renewable energy" over technical jargon you might use incorrectly under pressure.

What is the most common vocabulary mistake on this topic?

Repeating "the environment is very important" and "we should protect nature" in almost every sentence. Varying the noun phrase and the verb keeps Lexical Resource higher.

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