Arizona lawmakers want more solar energy projects in western areas of the state, a goal that could get mixed support from the White House.

New wind turbines would not be allowed within 12 miles of any site zoned for residential use, putting much of the state off-limits.

U.S. Raúl Grijalva, an Arizona Democrat who was a fierce advocate for national parks, passed away Thursday from complications related to cancer treatments. He was 77.

There, volunteer Tripp Harrison explained why laws protecting habitat are necessary to sustain wildlife while holding Roxanne ... far environment-related bills progressed through the Arizona House and ...

Jack Dykinga won a Pulitzer in Chicago, then came West for a celebrated career in nature photography. And at age 82, after a ...

the U.S. Fish and Wildlife Service, the U.S. Forest Service and military uses. The second-biggest category of land left available to wind by the Arizona House bill is owned by tribes ...

Jack Dykinga won a Pulitzer in Chicago, then came West for a celebrated career in nature photography. And at age 82, the Oro ...

Letters sent to federal workers say they are being terminated "based on your performance." But workers told USA TODAY they ...

Over 38% of Arizona is federal public land managed by the National Park Service, the Forest Service, the Bureau of Land Management, U.S. Fish and Wildlife Service and the ... you lose your house,” ...