Vocabulary: Topic-wise Vocabulary
Using topic-specific words in your Writing and Speaking tests shows the examiner your range of vocabulary (Lexical Resource).
Nouns
biodiversitycarbon footprintclimate changeconservationdeforestationecosystememissionsfossil fuelspollutionsustainability
Verbs
conservecontaminatedegradeemitpreserveprotectrecyclereducesustain
Adjectives
eco-friendlyendangeredgreenrenewablesustainabletoxicvulnerable