This vocabulary list is for reference only. Your Lexical Resources scores are calculated based on the overall level of vocabulary used in your writing and speaking answers. To improve your Lexical Resource scores, it is necessary that you improve your overall level of vocabulary.

However, skillfully incorporating these words in your writing and speaking answers together with a good vocabulary level will increase the chance of enhanced Lexical Recourse scores.

Word/PhraseTypeDefinitionExample in IELTS Standards
BiodiversityNounVariety of plant and animal life in a particular habitatConservation efforts aim to protect global biodiversity.
DeforestationNounClearing or removal of forests, often for agricultural purposesDeforestation contributes to climate change.
Renewable EnergyNoun PhraseEnergy from sources that are naturally replenished, such as solar or windTransitioning to renewable energy is crucial for sustainability.
Carbon FootprintNoun PhraseTotal greenhouse gas emissions produced directly or indirectly by an individual or organizationIndividuals can reduce their carbon footprint through lifestyle changes.
ConservationNounProtection and preservation of natural resourcesNational parks play a crucial role in conservation efforts.
Ecological ImpactNoun PhraseEffect on the environment due to human activitiesIndustries must assess their ecological impact and make adjustments.
Sustainable DevelopmentNoun PhraseDevelopment that meets the needs of the present without compromising the ability of future generations to meet their own needsCountries aim for sustainable development to address environmental challenges.
Ozone Layer DepletionNoun PhraseReduction in the thickness of the ozone layer in the Earth’s stratosphereInternational efforts have been made to prevent ozone layer depletion.
Carbon SequestrationNoun PhraseThe capture and long-term storage of carbon dioxide to mitigate climate changeForests play a key role in carbon sequestration.
GreenwashingNounMisleading information to create a false perception of environmentally friendly practicesConsumers should be aware of greenwashing tactics by companies.