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When it comes to the world’s forests, two of the commonly asked questions are “How many trees are are on Earth?” and “How many trees are cut down each year?” A new study proposes answers: three trillion and 15.3 billion.
The research, published today in the journal Nature, is based on a combination of satellite imagery, on-the-ground inventories, and computer modeling led by Thomas Crowther of the Netherlands Institute of Ecology. Crowther conducted the research while at Yale University.
