Earth’s Biodiversity Has Fallen Below ‘Safe’ Levels? Ecologists Disagree

A new paper reports that over half of Earth’s land area has suffered biodiversity loss beyond “safe limits.”

The study, released today in Science, compiles a global dataset of biodiversity change and compares it to human land use patterns. The analysis shows that 58 percent of Earth’s land, which is home to 71 percent of the human population, has surpassed a recently proposed safe limit for biodiversity loss, beyond which ecosystems may no longer support human societies.

While the news

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