B2 Upper-Intermediate

Nature & Environment — B2 English Lesson

📅 2026-10-07📊 B2 Upper-Intermediate📚 10 new words🎧 daily podcast

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📚 Vocabulary

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

glacier /GLAY-shur/

noun

a huge slow-moving river of ice in the mountains

"If we don't cut emissions, many glaciers will disappear in the next fifty years."

extinct /ik-STINGKT/

adjective

no longer existing anywhere on Earth; died out completely

"Unless we protect their forest, these frogs will become extinct."

monsoon /mon-SOON/

noun

a season of very heavy rain in South and Southeast Asia

"Farmers wait for the monsoon before they plant rice."

reef /REEF/

noun

a ridge of coral or rock just under the surface of the sea

"The coral reef is home to thousands of colorful fish."

wildfire /WYLD-fy-ur/

noun

a fire that spreads fast through forests or wild land

"As soon as the wind rises, the wildfire will spread even further."

smog /SMOG/

noun

thick dirty air made of smoke and fog over a city

"If traffic doesn't drop, the smog will only get worse this winter."

tide /TIDE/

noun

the regular rise and fall of the sea, twice a day

"We can walk to the island when the tide is low."

oasis /oh-AY-sis/

noun

a green place with water in the middle of a desert

"After three days in the desert, the oasis looked like a miracle."

compost /KOM-post/

noun

old food and leaves turned into food for the soil

"She turns her kitchen waste into compost for her vegetable garden."

thaw /THAW/

verb

to melt and become liquid after being frozen

"The lake will thaw when the warm spring winds arrive."

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Podcast: Nature & Environment

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📝Grammar: 7A: First conditional and future time clauses + when, until, etc.

Use the **first conditional** for a possible future situation and its result. The pattern is **if + present simple** in one half, and **will / won't + infinitive** in the other half. After **if**, always use the present tense — never the future. This is the most common mistake with the **first conditional**, so check it every time. **Unless** means **if not**. A sentence with **unless** and a positive verb means the same as **if** with a negative verb. You can replace the **will** clause with an imperative. This turns the sentence into advice or a warning instead of a prediction. After **w

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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 2026-10-07.

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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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