David J. Cooper

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A brown bear in a Siberian boreal forest. Logan Berner

The world’s boreal forests may be shrinking as climate change pushes them northward

Ronny Rotbarth, Wageningen University; David J. Cooper, Colorado State University; Logan Berner, Northern Arizona University, and Roman Dial, Alaska Pacific University

How will Earth’s vast boreal forests look in a warmer world? Combining satellite-based research with fieldwork shows that the planet’s largest wilderness may be changing in unexpected ways.
Prairie potholes in South Dakota are important breeding and feeding areas for many types of birds. Under the Clean Water Rule, farmers cannot fill them in or discharge pollutants into them without a permit. Laura Hubers, USFWS/Flickr

Why farmers and ranchers think the EPA Clean Water Rule goes too far

Reagan Waskom, Colorado State University and David J. Cooper, Colorado State University

President Trump signed an executive order to roll back the 2015 Clean Water Rule. Two water experts explain why the rule alarms farmers and ranchers concerned about over-regulation.

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