President Trump ordered agencies to pause and review certain funding from Biden’s landmark climate laws, which could throw a wrench into the bipartisan-supported effort to secure water rights from the ...

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.

Two migrant-aid respite shelters in Pima County will be shut down, County Administrator Jan Lesher said Thursday.

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 ...

Arizona receives $257.6 million for water conservation, backed by Senators Kelly and Gallego, to improve its water infrastructure and secure resources.

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

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive portions near Tucson — have won a temporary reprieve.

Comprising all Member States, it provides a unique forum for multilateral discussion of the full spectrum of international issues covered by the Charter of the United Nations. Each of the 193 ...

Earlier this month, a levee separating Agency Lake and the Upper Klamath National Wildlife Refuge was breached, re-connecting 14,000 acres of wetland habitat to Upper Klamath Lake.