B2 Upper-Intermediate

Nature & Environment — B2 English Lesson

📅 2026-09-20📊 B2 Upper-Intermediate📚 10 new words🎧 daily podcast

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📚 Vocabulary

10 new words Learn new words with real examples and audio.

erosion /uh-ROH-zhun/

noun

the gradual wearing away of soil or rock by wind or water

"Coastal erosion is threatening homes near the cliff."

drought /DRAWT/

noun

a long period of time with very little or no rain

"The drought lasted all summer, so the fields turned brown."

biodiversity /bahy-oh-duh-VUR-suh-tee/

noun

the variety of plants and animals in an area

"The rainforest has amazing biodiversity, with thousands of species."

conserve /kun-SURV/

verb

to protect and save something from being wasted or lost

"We should conserve water during the dry season."

habitat /HAB-uh-tat/

noun

the natural home where a plant or animal lives

"Polar bears are losing their Arctic habitat."

renewable /rih-NOO-uh-bul/

adjective

coming from a source that never runs out, like the sun or the wind

"Wind and solar are renewable sources of energy."

deforestation /dee-fawr-ih-STAY-shun/

noun

the cutting down of forests over a large area

"Deforestation is destroying the homes of many wild animals."

contaminate /kun-TAM-uh-nayt/

verb

to make something dirty or poisonous

"The factory contaminated the river with chemicals."

sustainable /suh-STAY-nuh-bul/

adjective

able to continue without harming the environment

"We need sustainable farming methods that protect the soil."

migrate /MY-grayt/

verb

to move from one region to another with the seasons

"Many birds migrate south for the winter."

🎧

Podcast: Nature & Environment

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📝Grammar: 2B: Present perfect + for / since, present perfect continuous

We use **present perfect + for / since** for things that started in the past and are still true now. Scientists **have studied** the river's biodiversity **for** twenty years. Use **for** + a period of time: two hours, three days, a long time. Use **since** + a point in time: April, 2010, or **since** 2019, when the factory last **contaminated** the river. The town **has tried** to conserve water **since** the great drought of 2019, and it **has worked** **for** five years. Ask about unfinished time with **How long + present perfect**. **How long have** the birds **migrated** through this v

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❓ Frequently Asked Questions

What level is this nature & environment lesson?

This is a B2 Upper-Intermediate (B2) English lesson from Muse English's daily series on 2026-09-20.

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How many words will I learn?

This lesson teaches 10 new words with photos, meanings, examples and pronunciation audio.

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