Earth is home to just over 3 trillion trees — the redwoods of California, the olive trees of Tunisia, the cherry trees of Japan, the eucalyptus of Australia and so many more — but they are being lost at an alarming rate because of human activities.
Those are the findings of researchers who on Wednesday unveiled the most comprehensive assessment of global tree populations ever conducted, using data including satellite imagery and ground-based tree density estimates from more than 400,000 locations worldwide.
The estimate of 3.04 trillion trees — an estimated 422 for every person — is about eight times higher than a previous estimate of 400 billion trees that was based on satellite imagery but less data from the ground.
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