Sustainability

State files motion to intervene in lawsuit over wolf recovery plan

NOTE: A previous version of this story erroneously referred to a different lawsuit filed by environmental groups and misspelled the last name of Mike Rabe of the Arizona Game and Fish Department. PHOENIX – The state has filed a motion to involve itself in a lawsuit in which environmental groups allege that federal officials are failing to abide by the Endangered Species Act and environmental and administrative laws in a rule change to the recovery plan for Mexican gray wolves.

Groups to feds: Tighten mining rules in light of river spill

Citing the release of millions of gallons of toxic wastewater into a southwestern Colorado river earlier this month, a coalition of conservation groups, two Arizona Native American tribes and two county governments petitioned federal agencies Tuesday to tighten mining regulation on public lands.

Arizona environmentalists cheer EPA Clean Power Plan, utilities wary

WASHINGTON - Arizona environmental groups cheered the final version of the Clean Power Plan unveiled Monday by the Environmental Protection Agency, a first-ever national standard that aims to cut power plant carbon emissions by a third by 2030.