Reforestation's cooling influence is a result of farmers' past choices

Decisions by farmers to plant on productive land with little snow enhances the potential for reforestation to counteract global warming, concludes new research. Previous research has led scientists and politicians to believe that regrowing forests on Northern lands that were cleared in order to grow crops would not decrease global warming. But these studies did not consider the importance of the choices made by farmers in the historical past.

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