恒星英语网为同学们整理了2021年雅思听力场景重点词汇：environment (section 2/4)，供考生参考学习。
由于环境类词汇专业性较强，不要求大家全部记忆下来，但雅思听力在词汇方面很重要的一点是能做到到对发音和中文意思比较敏感，这样即使不能听懂全部内容，也能对整体脉络有一个较好的把握。否则就好像是听到了科普类文章一样，茫然不知所措，进而导致完全放弃。
atmosphere:
Oxygen, Hydrogen, Nitrogen, Carbon dioxide, Carbon monoxide, Ozone, sulphur monoxide
pollution:
air pollution, acid rain, contaminated water, pollutant, contaminant, chemicals, toxic waste
Geographical:
soil erosion, desertification, drought, floods, overfishing, over-felling, deforestation
energy:
fossil fuels, coal, gas, petroleum, solar, tide, wind power, nuclear, marsh gas, methane, biogas
recycling:
plastic, paper, glass, bottle tops, ink cartridges, spare parts/components