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The Canyon Mine, about 15 miles south of the Grand Canyon.

A new poll of likely voters in Arizona signals strong, bipartisan support for a permanent ban on new uranium mining near the Grand Canyon – and hope for the passage of the Grand Canyon Protection Act, a bill that would permanently ban the practice. Read more»

Saguaro National Park can utilize photographs to match Gila monsters spotted by the public years apart like the lizard named 'Kara' pictured above.

Saguaro National Park is relying on the public's help in photographing one of its more mysterious inhabitants: the Gila monster. The park is continuing research that has been going for more than 15 years, with an increased focus on pictures of the lizard submitted by park visitors. Read more»

The designation of the chemicals hazardous substances under Superfund law means that federal, state or tribal officials must be informed when certain levels of PFOA and PFOS are released into the environment.

Based on significant evidence that PFOA and PFOS may present a substantial danger to human health or the environment, the two chemical compounds used for decades earned the hazardous substances designation under federal Superfund law. Read more»

At least six cities in Arizona have declared water shortages because of the drought. And with water at dangerously low levels in both Lake Mead and Lake Powell, tribal water will play an important role in the region’s water supply.

Since 2021, Lake Mead has been boosted by water from the Gila River Indian Community and the Colorado River Indian Tribes, but as historic water cuts were announced, different decisions by the tribes illustrate the difficult choices in the Colorado River Basin. Read more»

The Tucson Million Trees initiative, led by Mayor Regina Romero, intends to plant one million trees by 2030 to increase the city’s tree canopy and help mitigate the effects of climate change.

The Inflation Reduction Act includes $1.5 billion for the Forest Service’s Urban and Community Forestry Program - funding that could potentially help Tucson purchase saplings, hire labor and expand its youth program as part of the city's Million Trees initiative. Read more»

The Colorado River Indian Tribe has a large share of Colorado River water rights, with much of the reservation under hay production.

The Colorado River, which supplies water to more than 40 million Americans and supports food production for the rest of the country, is in imminent peril - but the hidden, underground water crisis might be even worse. Read more»

More electric Sun Tran vehicles (above) are headed to Tucson as the city's transit system is set to receive millions from a federal grant.

Sun Tran will purchase 19 electric vehicles and ten charging stations as part of the company’s plan to have all electric and compressed natural gas buses by 2028. Read more»

Building projects in a state where 6.5 million people live in counties classified by the Census Bureau as being part of the desert Southwest must keep water scarcity in mind.

Arizona legislators met Wednesday with experts to discuss the environmental challenges to increasing the supply of affordable housing in the state as a recent study ranked Arizona among the five worst states for affordable housing. Read more»

Volunteer David Walker pulls buffelgrass out by its roots in Sentinel Peak Park. Efforts to remove the invasive species will get a $100,000 boost in funding.

A one-year $100,000 project will help remove invasive buffelgrass from Tumamoc Hill and "A" Mountain, but millions of dollars in long-term funding are still needed to eradicate the fire-prone weed from near Tucson, U.S. Rep. Raúl Grijalva said Wednesday. Read more»

The Inflation Reduction Act includes an expansion of lease sales off the coast of Alaska and in the Gulf of Mexico.

One day after the Biden administration prevailed in a Fifth Circuit order upholding its suspension of new oil and gas leases on public land, a federal judge whose preliminary injunction was vacated by the appeals court issued a permanent block on the pause. Read more»

The Sky Islands stretch from Southern Arizona and New Mexico into northern Mexico. But this unique set of mountains is not safe from the effects of climate change.

Drought and fires exacerbated by climate change are expected to permanently alter the ecosystems of Southern Arizona's mountain "sky islands," with parts of the high-elevation ecosystems at risk of disappearing. Read more»

The most common method of destroying PFAS is incineration, but most PFAS are remarkably resistant to being burned.

Studies suggest PFAS chemicals are in 98% of Americans’ bodies, where they’ve been associated with many health problems - and while scientists are working on methods to capture these synthetic chemicals and destroy them, it isn’t simple. Read more»

The initial round of broad recommendations from the Regional Transportation Authority's technical team will go before the City Council. 'RTA Next' talks are about to get hot.

Tucson City Manager Mike Ortega is recommending the council in 2023 resume taking every bloody pint of Central Arizona Project water its freaking entitled to get, as the feds reduce Arizona's allotment. Read more»

Arizona is losing 21 percent of our Colorado River water allocation as a multi-decade drought is emptying Lake Mead. The state is now being forced to do something about climate change.

Arizona's political leaders warned any action to prevent climate change would cost too much. Get ready to spend because climate change is here and taking 592,000 acre feet a year of water from the state. Read more»

President Joe Biden is joined by Democratic lawmakers as he signs the Inflation Reduction Act on Aug. 16, 2022.

The climate change and health care bill signed into law this week will lower U.S. carbon emissions by a gigaton by 2030, a new analysis from the Department of Energy said, further cementing claims already made about the the bill's clean energy programs. Read more»

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