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News Release 06-111

New Report Says Human Tampering Threatens Planet's Life-Sustaining Surface

Scientists call for effort to understand Earth's "critical zone"

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Earth's critical zone includes deep layers of soil that have formed over millions of years.

Some areas of the Earth's critical zone include deep layers of soil that represent millions of years of erosion and new earth formation. Scientists say they need to better understand this and other processes to sustain food production.

Credit: Bill Deitrich, University of California-Berkeley


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In a new report, scientists say human tampering threatens the Earth's "critical zone."

In a new report, scientists say human tampering threatens the Earth's "critical zone."

Credit: National Science Foundation