Trees are dying of thirst in the Western drought – here’s what’s going on inside their veins

Juniper trees, common in Arizona’s Prescott National Forest, have been dying with the drought. Benjamin Roe/USDA Forest Service via AP – By Daniel Johnson, Assistant Professor of Tree Physiology and Forest Ecology, University of Georgia and Raquel Partelli Feltrin, Postdoctoral Scholar in Botany, …