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The 2015 Finger Rock Fire, seen burning in the Catalinas from Downtown Tucson, nearly 10 miles away. Tucson High School, the University of Arizona and Banner-University Medical Center are seen in the foreground.

State Farm announced that it would no longer offer home insurance to new customers in California, a decision at least partially motivated by the effects of climate change, and one that could impact other places at high risk of climate change-fueled natural disasters. Read more»

Proposed Interstate 11 corridor between Saguaro National Park and Ironwood Forest National Monument.

A judge rejected arguments from federal officials attempting to unravel a lawsuit by environmental groups over the proposed Interstate 11 plan, including two possible routes that could carve through "pristine desert" west of Tucson. Read more»

Supporters of the Supreme Court ruling that narrowed the scope of the Clean Water Act said it reins in overzealous regulators who considered dry washes and seasonal streams subject to oversight. But critics say the change poses a significant threat in states like Arizona, where water, like the San Pedro River here, 'is ever so precious.'

Ranchers and Republican lawmakers are welcoming a Supreme Court ruling that narrows the range of waters subject to federal regulation, calling it a win for private property rights - but environmental groups say the ruling will be “disastrous for Arizona." Read more»

An aircraft drops slurry on the Museum Fire near Flagstaff.

A federal judge in Montana partially sided with environmentalists, agreeing that the Forest Service violated the Clean Water Act by discharging aerially deployed fire retardant into waterways without a permit, but allowed the continued use of aerial retardants while obtaining a permit. Read more»

The water conservation plan means some Arizona cities and towns will have to conserve more than others.

While a Colorado River conservation plan has yet to be approved by the federal government, Gov. Katie Hobbs made two things clear at a news conference Thursday: Arizona will lead the way in the tri-state agreement, and Arizonans need not worry about a water-use crackdown. Read more»

An irrigation canal moves Colorado River water through farm fields in Yuma.

Arizona, California and Nevada have narrowly averted a regional water crisis by agreeing to reduce their use of Colorado River water over the next three years - but this deal only represents a temporary solution to a long-term crisis. Read more»

Chiricahua is believed to have formed after a volcanic eruption 27 millions years ago left 2,000-foot-high layers of pumice and ash that fused to create rhyolitic tuff rock.

Chiricahua National Monument – one of Arizona’s unique sky islands with a history that includes Geronimo, Buffalo Soldiers and the 1930s Civilian Conservation Corps – could become Arizona’s fourth national park if a bipartisan bill finally passes this year in Congress. Read more»

The Army Corps of Engineers defined waters of the United States as navigable waters — including wetlands adjacent to these waters — in its regulations. The court now offers a new definition.

Limiting the government’s authority to regulate wetlands under the Clean Water Act, the Supreme Court ended a nearly two-decade-old dispute Thursday, offering a new definition of waters of the United States. Read more»

Mohave County Supervisor Travis Lingenfelter, right, told a House subcommittee that proposed expansions of national monuments could harm the region’s economy, leaving what he called 'poverty with a view.'

A Mohave County supervisor said Wednesday that a proposed new national monument in northern Arizona would “devastate the economic growth potential” of the region, leaving little more than what he called “poverty with a view.” Read more»

The water level in Lake Mead behind Hoover Dam in Feb. 2022. A new agreement among Arizona, California and Nevada offers a temporary fix to the region’s water issues.

State and federal officials are celebrating an agreement reached this week by Arizona, California and Nevada to reduce their use of Colorado River water by millions of gallons over the next three years - but it’s a temporary reprieve. Read more»

Tribal leaders, federal and state officials, and project and construction leaders gathered on May 19 for a groundbreaking ceremony at the construction site for the first phase of the Reclaimed Water Pipeline Project near Sacaton.

Only a month after finalizing funding agreements, Arizona's Gila River Indian Community broke ground on its new Reclaimed Water Pipeline Project to help the community with water resources and conserve more water in Lake Mead. Read more»

Tucson's $2.2 billion budget tops a long list of agenda items the City Council will take up this week.

The Tucson City Council will hold a study session Tuesday to discuss, oh, just about everything they've ever thought about discussing at any particular time. Plus more in other local government meetings this week. Read more»

The Lower Basin Plan would result in greater protections for Lake Mead and Lake Powell than the alternatives analyzed in the Draft Environmental Impact Statement.

Arizona, California and Nevada have agreed on a plan to conserve 3 million acre-feet from the Colorado River over the next three years, and the Lower Basin Plan has the support from all seven Colorado River Basin States. Read more»

There are at least 48 clean energy projects in communities with sizable Native American populations, including some 25,000 jobs in Arizona, Nevada and Oklahoma.

Decisions made in Washington, D.C. over the next few days will have huge implications for how Indigenous communities and the country navigates climate change – and what kinds of jobs that are created. Read more»

The publicly-owned Salt River Project’s Coronado Generating Station - set to shut down in the next decade - was one of six coal plants’ whose requests to keep dumping toxic ash into unlined or inadequately lined pits were denied. The Apache Generating Station was granted an extension.

The Environmental Protection Agency proposed a new rule on Wednesday that would expand federal regulations of toxic coal ash after reaching a settlement with environmental and civil rights groups last month. Read more»

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