The knowledge of trees
Sue Burke writes: The U.N. Climate Change Conference in Madrid opened on Dec. 2 by calling the climate crisis a “war against nature.” But trees have always been at war, fighting for their survival. While plants may seem passive in the environment, they can sense their environments, make decisions, and respond to threats—up to a point. Every autumn holds terrible perils for plants. While many trees drop their leaves every year, the decision of precisely when to do so is…