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Donald L. Sparks
Dr. Donald L. Sparks is the S. Hallock du Pont Chair in the Department of Plant and Soil Sciences and director of the Delaware Environmental Institute at the University of Delaware. He is an internationally recognized scientist in the field of environmental soil chemistry.

Entries by Donald L. Sparks

Research Down Under

(0) Comments | Posted January 7, 2013 | 3:40 PM

I recently returned from a 10-day trip to Australia where I was a featured speaker in a series of workshops sponsored by the Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, or CRC CARE.

CRC CARE is Australia's leading science-based partnership in assessing, preventing and...

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Tipping Point

(88) Comments | Posted June 13, 2012 | 12:05 PM

A group of 22 scientists sounded an alarming call to action last week.

Their paper in the June 7 issue of Nature, a highly regarded, peer-reviewed journal, carries the benign-sounding title, "Approaching a State Shift in Earth's Biosphere." But their conclusions are nothing short of a disaster warning.

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