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Green clay tennis courts remove carbon from the air (Level A1) — Aerial view shows two tennis courts amidst trees.

Green clay tennis courts remove carbon from the airCEFR A1

20 Mar 2026

LevelA1
A2
B1
B2

Adapted from Jade McClain-NYU, Futurity • CC BY 4.0

Photo by Denny Müller, Unsplash

Level A1 – Beginner
2 min
70 words
  • Green clay tennis courts can remove carbon from air.
  • They use crushed rock that reacts with rainwater.
  • The reaction pulls carbon out of the air.
  • Many courts are in the United States.
  • Court construction and transport cause some emissions.
  • Most courts reach net zero in a few years.
  • A small number may never reach net zero.
  • Researchers say this method can reduce emissions.
  • Changing crushed rock could increase carbon removal.

Difficult words

  • carbon — a substance in the air that adds to warming
  • react — to change when two things meet
    reacts
  • emission — gases or pollution released into the air
    emissions
  • net zero — when there is no extra carbon added to the air
  • researcher — people who study and test ideas
    Researchers

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Would you like to play on a green clay court?
  • Are there tennis courts near where you live?

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