Gov. Jan Brewer has vetoed a bill eliminating jail time for people convicted of improperly using legal fireworks primarily because it didn’t take into account different regional circumstances and local safety and fire concerns.

Despite a significant reduction in Arizona hunters using lead ammunition, an environmental group says endangered California condors in Kaibab National Forest are still dying from lead poisoning.

As the 35-acre Fisher Point fire burned in a canyon just a few miles south of his office, Coconino National Forest fire information officer Dick Fleishman said he anticipates an average fire season.

Drought and demand are pushing the Colorado River beyond its limits — with the needs of more than 40 million people in seven Western states projected to outstrip dwindling supply over the next 50 years, according to an advocacy group’s report on endangered rivers released on Wednesday.

Arizona officials say residents must be vigilant about air quality as warmer temperatures start to usher in dangerous ozone pollution.

CASA GRANDE — Florence has agreed to lift its ordinance banning commercial use of large quantities of sulfuric acid, a measure that was part of the town’s ongoing attempt to block Curis Resources’ planned copper mining project.

An urban garden cultivates nature in the midst of a man-made environment, and many people find escape and relaxation while digging in the dirt and tending plants.

Dayana Gonzalez and her classmates at Roadrunner School in Phoenix will soon have a new building on their campus that not only incorporates sustainable, environment-friendly features, but also demonstrates them for the students.

The chairman of the House Commerce Committee said during an informational session Wednesday that the U.S. Environmental Agency is pandering to the far left wing of the Democratic Party as it burdens Arizona with unnecessary regulations.

Arizona’s metal mining and manufacturing industries produced about 84.5 million pounds of toxic chemicals in 2011, a nearly 34 million pound increase from just two years earlier, the Environmental Protection Agency reported.