Toss the tinsel, unplug the lights and rally the neighbors: Tucson’s popular TreeCycle program returns Friday, Dec. 26, and runs through Monday, Jan. 19, 2026. The City of Tucson will grind collected ...

After a storied career at Del Valle, Jake Fette is officially headed to Arizona State.In three years as a starter, Fette led ...

The tile mural, recreated by artist Jos Sances, replaces a historic ceramic tile map of early Alta California during the ...

At the University of Arizona, a new lab is giving scientists the tools to predict the future of life on Earth. The Data ...

Part of the joy of hiking is the sense of exploration, so forget your usual trails and check out one of these lesser-known, ...

Find the Arizona road trip highlights known for wide-open roads, iconic landmarks, and scenic stretches that make every mile ...

The GHGRP requires facilities that emit more than 25,000 metric tons of CO2 equivalent per year to report their emissions ...

The research, published today, includes a database of 13 years of carbon dioxide emissions in the United States.

New research from Northern Arizona University shows detailed CO2 emissions for the United States from 2010 to 2022.

Members of the Tucson City Council are split on a major change in zoning that could increase density across the entire city.

This year, progressive young Democrats sketched a path to meaningful wins in 2026. Is the party paying attention?

Perched precariously on the steep slopes of Cleopatra Hill at 5,000 feet above sea level, Jerome, Arizona is the kind of place that makes you wonder if the town planners had a particularly wicked ...