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B2 Upper Intermediate English 5:19 659 words Documentary

The surprising way we can cool the planet - Elise Cutts

TED-Ed · 212,731 views · Added 5 months ago

AI Summary

This documentary-style TED-Ed video explains enhanced rock weathering — a promising method for removing carbon dioxide from the atmosphere by crushing volcanic basalt and spreading it on farmland. B2 learners will acquire vocabulary in environmental science and geology, including 'silicates,' 'bicarbonate,' 'sequester,' 'basalt,' and 'carbon impact.' Great for discussing climate solutions and geological processes in English.

Learning Stats

B2

CEFR Level

659

Total Words

349

Unique Words

6/10

Difficulty

Vocabulary Diversity 53%

Subtitles (39 segments)

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00:06

The Canary Islands are home to Mount Teide, one of the world’s largest active volcanoes.

00:13

Capable of spewing tens of millions of cubic meters of lava in a single eruption, Teide’s destructive power is nothing to scoff at.

00:22

But there may be a way to use the basalt rock inside Teide to save humanity.

00:29

That’s right— blowing up this volcano could offset Earth’s emissions for the foreseeable future.

00:36

Obviously, destroying an ancient volcano is not a good idea.

00:41

The ecological fallout would be catastrophic and unpredictable.

00:45

But even if we harvested some of that basalt, could we really use it to stop climate change?

00:52

This theoretical scheme is a dramatic way to enhance one of Earth’s least dramatic natural processes: rock weathering.

Full subtitles available in the video player

Key Vocabulary (21)

rock A1 noun

A style of popular music that emerged in the 1950s, characterized by a strong beat and the use of electric guitars, bass, and drums. It is often loud and energetic, encompassing various sub-genres from soft to heavy sounds.

weathering A1 noun

Weathering is the natural process where rocks, wood, or other materials are broken down or changed by the weather. This usually happens slowly over many years because of rain, wind, ice, or heat.

carbon B2 noun

Carbon is a chemical element that exists in all living things and is a primary component of many substances like coal and diamonds. In a modern environmental context, it often refers to carbon dioxide emissions and their impact on global warming.

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