Environmental issues appear in IELTS Writing Task 2, Reading passages, and Speaking Part 3 more than almost any other topic. Students who prepare targeted vocabulary for this theme have a significant advantage on exam day.
Core Environment Vocabulary
- carbon emissions — gases released into the atmosphere: "Reducing carbon emissions is central to climate policy."
- renewable energy — power from natural, replenishable sources: "Investment in renewable energy has accelerated significantly."
- biodiversity — the variety of life in an ecosystem: "Deforestation threatens the region's biodiversity."
- sustainable development — growth that meets present needs without compromising future generations: "The UN advocates sustainable development across all sectors."
- greenhouse gas — gas that traps heat in the atmosphere: "Methane is a potent greenhouse gas."
Verbs and Collocations
- mitigate climate change / address environmental concerns
- exacerbate pollution / worsen ecological damage
- deplete natural resources / conserve ecosystems
- implement environmental regulations / enforce sustainability standards
- transition to clean energy / phase out fossil fuels
Adjectives for Precision
- devastating — "The oil spill had a devastating impact on marine life."
- irreversible — "Some forms of environmental damage are irreversible."
- ecological — "The ecological consequences of deforestation extend far beyond the immediate area."
- unprecedented — "Temperatures have reached unprecedented levels in recent decades."
Essay Phrases for Environmental Topics
- "Environmental degradation poses one of the most pressing challenges of our time."
- "The transition to a low-carbon economy requires coordinated global action."
- "Individual behaviour change alone is insufficient — systemic policy shifts are essential."
- "Industrialised nations bear a disproportionate responsibility for historic carbon emissions."
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