Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

As nature gradually swallows up the crumbling concrete walls of a little-known Nazi concentration camp built on a British island, researchers are digging through records to examine how many people ...

“I suspect that the real moral thinkers end up, wherever they may start, in botany,” the essayist Annie Dillard mused in 1974. “We know nothing for certain, but we seem to see that the world turns ...

Dogs are not allowed off leash at a popular hiking and dog walking spot called the Nature Reserve in Lewes, England. Many of the park’s native wildflowers and grasses had disappeared after decades of ...

(CNN) — A football floats on the surface of the Atlantic Sea; it looks like new from above the water, but below a huge collection of barnacles have attached themselves to the ball. The image, taken by ...