The planet is our beat.
Rising CO2 levels could upset the delicate relationship between the butterflies and their parasites.
David Maisel’s aerial views of environmental degradation are redefining American landscape photography.
Whatever the decision, action is needed—and sooner rather than later.
Also, the EPA launches a pincer attack on smog standards, and Pruitt faces (yet another) investigation.
Conservation in the Congo is dangerous—but after half a century, it’s paying off for these great apes.
After decades-long decline, a dying wetland gets a second chance, with the help of cross-border collaboration between the United States and Mexico.