Earth's soils bear unmistakable footprints of humans

The dirt under our feet is being so changed by humans that it is now appropriate to call this the "Anthropocene (or man-made) Age," says a new worldwide overview by Duke University soil scientist Daniel Richter.

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<p><a href="http://www.physorg.com/news120495528.html">Earth's soils bear unmistakable footprints of humans</a></p> <p>The dirt under our feet is being so changed by humans that it is now appropriate to call this the "Anthropocene (or man-made) Age," says a new worldwide overview by Duke University soil scientist Daniel Richter.</p>