The Bureau of Reclamation will pay $86.7 million toward Tucson's new water treatment plant, which will stretch the city's supplies.

In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of Transportation have agreed to halt planning activities and reevaluate their approval of Interstate 11.

The Bureau of Reclamation today announced it is awarding $388 million in grants for Upper Colorado River Basin water projects. Administered via the Bucket 2 Ecosystem program, the grants will support 42 projects that will restore struggling rivers,

TUCSON — An $86.7 million ... ve been in active discussions and the Bureau of Reclamation will continue to be in active discussions with the basin states, with the 30 tribes, as well as parallel ...

Planning for a new interstate through southern Arizona has been put on hold. 280 miles of highway between Nogales and Wickenburg expanding Interstate 11 had been proposed by federal and state transportation agencies,

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled desert species.

A Tucson man is dead after a boating accident at Lake Talkalai near the San Carlos Reservation. His family is speaking out and hopes to use the tragedy to emphasize water safety for southern Arizona families.

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive portions of Pima County — have won a

The Sonoran Desert, known for its arid condition, is equally unique and has been dubbed the “lushest desert on earth” because evaporation from the Gulf of California provides moisture and rain. Stingrays are among the many species flowing through this sea in a desert landscape.

Pima County officials have announced the closure of its two migrant shelters following sweeping changes to federal border enforcement policies implemented by the Trump Administration.

The investment supports the efforts of the Colorado River District, the state of Colorado, and a coalition of West Slope governments and water users.

Tucson, AZ, United States? Know about Tucson International Airport in detail. Find out the location of Tucson International Airport on United States map and also find out airports near to Tucson, AZ. This airport locator is a very useful tool for travelers ...