A new report claims that construction of Interstate 11 from Nogales to Kingman would put a strain on Arizona’s water supply.

The U.S. Fish and Wildlife Service has found that illegal fishing for an endangered species in Mexico’s Gulf of California is undermining an international treaty. That could lead the Biden administration to impose a trade embargo.

The IndyCar Series is experimenting in slower speed races with a highly sustainable new tire whose production leaves a relatively small carbon footprint. The Show trekked out to Eloy and rural Mesa to see how this tire is made.

Although mining can generate controversy in the West, it also has a long tradition and a legal foundation that goes back for a century and a half. But at least one Arizona congressman would like to update that law.

Organ pipe cactus are tall columnar cactus with many long, spiny arms that grow up from a short trunk. They are found in Arizona, Sinaloa and Baja California — but they grow at their highest density only in Sonora, in a narrow band along the Gulf of California in the southernmost part of the state.

Mexico’s president has again decreed that some of his infrastructure projects are issues of national security - exempting them from certain transparency and permitting requirements.

Policy makers are continually grappling with the challenge of a smaller share of the Colorado River to supply a rapidly growing population. But as quantity becomes a bigger concern, so too does quality — and the threats posed by pollutants.
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Firefighters have contained 60% of a wildfire burning south of Wickenburg. Since Thursday, the Cloud Fire has scorched nearly 900 acres near the city northwest of the Valley and spread through desert vegetation. According to the state forestry service, the fire was human-caused.

A proposed change in federal regulations aims to "guide the balanced management of public lands," according to the Bureau of Land Management. And it appears that would mean more conservation on those federal lands.