California debates listing western Joshua tree as threatened

California officials are weighing whether to list the iconic western Joshua tree as a threatened species, a designation that would make it harder to remove the trees for housing, solar or other development projects.

'Forever chemicals' pose risk even at very low levels, EPA says

The chemicals are found in products like cardboard packaging and carpets. There are also health conditions associated with the chemicals, including cancer.

106 million Americans in 24 states at risk as dangerous heat wave expands

Well-above-average temperatures are expected from the central Rockies across the Plains and into the lower and mid-Mississippi, Tennessee and lower Ohio valleys.

These electric vehicles are cheaper to own than gas ones now

Building electric vehicles is expensive, which is why their prices are high, and it's mostly about the batteries.

Arizona utility regulators reconsider previously rejected expansion of generating station near Coolidge

State utility regulators are reconsidering a previously rejected proposed power plant expansion project that pitted environmental justice concerns against metro Phoenix’s increasing electricity demands during Arizona’s summer heat.

Carbon dioxide levels in atmosphere surpass key milestone

Climate scientists say it's "like watching a train barrel down the track towards you in slow motion. It’s terrifying."

Arizona Gov. Ducey in Israel for trade, water, security talks

Arizona Gov. Doug Ducey will meet with Prime Minister Naftali Bennett and President Isaac Herzog as well as former Prime Minister Benjamin Netanyahu. He also will meet with U.S. Ambassador to Israel Thomas Nides.

US judge rejects request to block work for new Arizona copper mine

U.S. District Judge James Soto refused to issue a temporary restraining order and dismissed a lawsuit filed by the Tohono O’odham, Pasqua Yaqui and Hopi tribes and the group Save the Scenic Santa Ritas.

Tallest North American building made from shipping containers to open in downtown Phoenix

The Ida on McKinley, which is set to open soon, stands in the area of 3rd Street and McKinley in Downtown Phoenix, and it features a number of sustainability features.