PHOENIX — The 2020 Greenhouse Gas Emissions Inventory showed Phoenix had a 14% decrease in community-wide GHG emissions compared to 2012, the city announced this week. This is in lieu of the city’s ...

FLAGSTAFF, Ariz. (AP) — Arizona would be tasked with coming up with a plan to cut carbon dioxide emissions by about half under a proposal released Monday by the U.S. Environmental Protection Agency.

WASHINGTON – Arizona power plants would have to make the second-highest reductions in carbon emissions in the nation under new rules proposed Monday by the Environmental Protection Agency. The EPA’s ...

WASHINGTON — Blistering summer temperatures are already hard enough on Arizona, but they could become even more of a challenge if the state is required to meet carbon emission reductions proposed by ...

Lord Kelvin, the 19th-century British physicist who created the Kelvin temperature scale, is often quoted as having said something like “When you can measure what you are speaking about, and express ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min As climate change continues to ...

PHOENIX (3TV/CBS 5) — The Environmental Protection Agency is considering new clean car standards, but Arizona lawmakers and advocates called on Tuesday for the feds to stick to the original plan. Some ...

Arizona is at the intersection of interlocking crises. Increases in greenhouse gas emissions are rapidly intensifying climate change. Higher temperatures mean snow is melting more quickly and the ...

The Arizona Department of Environmental Quality is looking to part the clouds of smog that crowd the Valley's skies with plans to reduce greenhouse gas emissions statewide. The ADEQ announced last ...

WASHINGTON — Arizona power plants would have to make the second-highest reductions in carbon emissions in the nation under new rules proposed Monday by the Environmental Protection Agency. The EPA’s ...