Italy planted millions of spruce trees to protect the Alps; 90 years later, scientists find biodiversity has halved

Italy planted millions of spruce trees to protect the Alps; 90 years later, scientists find biodiversity has halved

Jun 22, 2026 1

Italy planted millions of spruce trees to protect the Alps; 90 years later, scientists find biodiversity has halved
Italy planted millions of spruce trees to protect the Alps; 90 years later, scientists find biodiversity has halved
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