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  • The United States has 193 million acres of forest, 80 percent of which is in the West. As a whole, 8 percent of the nation is covered with government-managed forests, but western states are approximately 30 percent forestland. In the first decade of the twenty-first century, seventy thousand square miles of forest in the Canadian and U.S. Rockies died, an area nearly as large as the state of Washington. Although the world rate of deforestation—the clearing of forests—has slowed for the first time since experts began tracking, because of aggressive replanting in the United States and Asia, clearing forest for land remains a worldwide problem. Deforestation in the world also comes from slash and burn agriculture, clear-cutting for grazing land, or dependence on wood for ...

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