Colonial mining left its mark in Andean ice cores

When Spanish Conquistadors arrived in the Andes Mountains of Peru and Bolivia, they found a landscape rich in silver. Now, scientists have found evidence of Europe’s voracious demand for the metal hidden in tropical ice cores, which contain a record of colonial mining pollution stretching back to the 1600s.

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Julia Rosen

Rosen holds a doctorate in geology and is a freelance science writer based in Portland, Ore. She has served as both an intern and an interim staff writer for EARTH, has also written for the Los Angeles Times and AGU’s Eos, and occasionally hosts 60-Second Science podcasts for Scientific American. Find more of her work at www.julia-rosen.com.

Thursday, June 11, 2015 - 06:00