Why is the Sahel shifting?
Most of us are familiar with the stark, sandy Sahara Desert for an unlikely reason: We’ve seen it in the movies. When George Lucas needed a location for Tatooine in his movie “Star Wars,” he chose — and showed us — the landscape of southern Tunisia in Africa. Travel south from Tunisia to the edge of the Sahara and you’ll come across a belt of semiarid grassland and desert. This is the Sahel, which means “shore” in Arabic, likely referring to the sea of sand it borders. To the south of the Sahel are the rainforests of central Africa and to the east and west are the
Related Questions
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