The Grand Canyon State sues over Trump administration rules that would sharply reduce the amount of water Arizona receives from the river.

An appeals court hearing could determine whether feds reconsider Endangered Species Act protections for wolves across the West.

And climate change’s fingerprints are all over it. The water year started off on a rainy note, especially in the San Juan ...

Finding a four-leaf clover feels like a moment of improbable luck; having a dog is a long, sustained luck you don’t recognize until you realize how extraordinary the ordinary days have been.