Summary
These straw checkerboards and many trees make a big green barrier called the Great Green Wall.
Scientists say the desert still pushes forward, so the work must continue.
Key Points
3 points1
Straw checkerboards create a stable surface that slows sand.
2
The Green Wall stretches across many provinces.
3
Ongoing care is needed to keep the desert from expanding.
New Words to Learn
4 wordsdesertification
when dry land becomes a desert
checkerboards
a square pattern made with straw pieces
province
a large region of a country, like a state
scientists
people who study how the world works
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