In the forest around Hart Prairie, about 14 miles north of Flagstaff, trees appear to be uprooting themselves and walking across the forest floor. But the sound of the forest is mechanical, a hum ...

Q: My spouse wants an artificial Christmas tree. He says it is safer, but I think a fresh-cut one is better for the environment. Is it? A: You might not think that cutting down a tree is good for ...

The ecosystem is a delicate balance between all living organisms, including plants and animals, as well as the weather and climate they endure. There are also multiple ecosystem types within each ...