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Grace van Deelen

Grace van Deelen, joined Eos in 2023 as a staff writer. She covers all things Earth science and is particularly interested in stories that highlight the intersection of society, the environment, and equity in science. Grace holds a master’s degree from MIT’s Graduate Program in Science Writing and bachelor’s degrees in biology and anthropology from Tufts University.

Image of dairy cows lined up inside a barn, with one cow facing forward
Posted inNews

Midwest Livestock Operations Linked to Rise in Ammonia Pollution

by Grace van Deelen 14 December 202126 April 2022

For the first time, scientists have linked high-density animal operations in the U.S. Midwest to rising air pollution from ammonia, suggesting need for increased regulation from the EPA.

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