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Physicist Steven Desch has come up with a novel solution to the problems that now beset the Arctic. He and a team of colleagues from Arizona State University want to replenish the region's shrinking sea ice by building 10 million wind-powered pumps over the Arctic ice cap. In winter, these would be used to pump water…

• What is the writer's intention in the first paragraph?
• What outcome does the writer suggest in the second paragraph?