In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of ...

The Sonoran Desert, known for its arid condition, is equally unique and has been dubbed the “lushest desert on earth” because ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...

Earlier this month, a levee separating Agency Lake and the Upper Klamath National Wildlife Refuge was breached, re-connecting ...