Sustainability

Arizona energy regulators repealed efficiency standards that have been in place since 2010. They initiated the process to repeal because the goal was surpassed and annual reporting was costing ratepayers.

The utility plans to buy 600 megawatts, enough to power about 150,000 homes, from a new wind farm in New Mexico. That's up from SRP's current wind portfolio of 288 megawatts.

An aluminum recycling plant will not proceed in the city of Benson, southeast of Tucson. Community members fought the plant for a year and recalled three council members due to concerns about the project.

The report says that growth comes despite the Trump administration rolling back solar incentives.

The new agreement is on top of other solar plans the utility has as it aims to double its generating capacity.

Tempe leaders from government, construction and education met recently to discuss ways to develop affordable housing.

The small town in Pinal County is buying time to solve its Gila River problems. Kearny could now run out of water in August or September.

More than three-quarters of voters across eight western states say issues related to conservation are important in deciding whether or not to support an elected official.

Kearny could go dry in July thanks to drought on the Gila River and an old legal agreement.

Wind and solar power are rapidly expanding across the Mountain West, with some states now generating a significant share of their electricity from renewable sources, according to a new report from Climate Central, a nonpartisan research group.