Among the great firs and Ponderosa pines of Stanislaus National Forest in central California, Northern Goshawk nestlings crowd a platform nest of branches and pine needles halfway up a mature fir tree. In 2013, what’s known as the Rim Fire occurred, and some of the area burned with high…

In the southeast corner of Arizona, the roads are dusty, the mesquites scraggly. But in the middle of it all is a dense grove of trees with lush, green foliage. It’s an oasis of sorts, made possible by what in the Southwest is called a tank – short for stocktank or watering tank. A rickety…