Wgtd's The Morning Show With Greg Berg

Marguerite Holloway, a journalism professor for Columbia University's Graduate School of Journalism, participated in a tree-climbing workshop for women- and it touched off in her a fervent interest in trees and deep concern for the way in which many trees in America are facing unprecedented challenges. Her book is titled "Take to the Trees: A Story of Hope, Science and Self-Discovery in America's Imperiled Forests."