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Arizona lacks vehicle idling regulations, encourages voluntary action

There's no law against it but Arizona communities are trying to reduce locally the 30-million-ton problem of idle vehicles producing ozone. ... Read more»

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Cochise County vaccinating Naco residents after sewage spill reaches residential areas

Leaking transborder pipelines have been a problem in this small border town for more than 30 years, but this is the first time the toxic sewage has reached residential areas. ... Read more»

Cross-border Nogales sewer needs $25 million in repairs

A transborder pipeline that brings millions of gallons of raw sewage from Mexico to the U.S. faces challenges on two fronts: The pipe is nearly 70 years old and increasingly prone to leaks; and heavy metals in the wastewater are causing problems at the Arizona plant where it’s treated.... Read more»

Santa Cruz River in jeopardy if int'l sewage pipe ruptures again, experts fear

Some residents of Santa Cruz County are warning that the pipeline carrying raw sewage from Mexico into the United States could rupture as it did during last year’s monsoon, when it spewed millions of gallons of waste into the Nogales Wash over seven days.... Read more»

Az public schools still working to get lead out of drinking water

Since state officials identified dozens of Arizona public schools with elevated levels of lead contamination in water fixtures, nearly half the schools still are undergoing repairs or tests for levels that could affect students, faculty and staff members.... Read more»

Advocates: Cuts to EPA budget will be felt in Az programs

Arizona received $315M in funding for specific federal programs over the past five years – funding that could be endangered by proposed cuts to the EPA budget.... Read more»

State officials warn of mercury levels in fishing areas

Arizona environmental officials on Wednesday warned visitors and residents to only eat limited amounts of certain kinds of fish contaminated with mercury found in three fishing areas in the state, adding to a growing list of advisories against fish consumption in lakes and streams.... Read more»

Tucson, other Az cities buck Trump, pledge to stick to Paris climate goals

Arizona cities this week spurned President Trump’s plan to pull the U.S. out of a global emissions compact, with at least three mayors — including Tucson's Jonathan Rothschild — pledging their cities would hew to the emission goals laid out in the Paris accord.... Read more»

Trump plan to exit Paris accord riles Arizona Democrats, warms GOP

President Trump said Thursday the U.S. will withdraw from a global agreement on emissions that “handicaps” the economy, a move that Arizona critics charged will end up harming both the economy and the environment.... Read more»

Court rejects Arizona’s challenge to EPA-imposed emissions rules

The Environmental Protection Agency was within its rights to impose certain standards on industrial sites in Arizona in place of state rules meant to ensure visibility in federal parks, a federal appeals court ruled.... Read more»

Poor Arizona kids struggle more with asthma

Children in the state’s lower-income urban communities suffer more serious bouts of asthma caused by dirty air and other pollutants – despite decades of state and local monitoring and repeated concerns that air in their neighborhoods is dangerous to their health.... Read more»

Az official tells Congress new ozone rules penalize rural areas

The director of the Arizona Department of Environmental Quality told lawmakers Thursday that new air-quality standards will burden rural communities, like many in Arizona, by holding “rural counties accountable for pollution they did not create.”... Read more»

Court upholds EPA-ordered emissions rules for Coronado power plant

A federal appeals court Wednesday said the Environmental Protection Agency acted properly when it rejected Arizona’s pollution-control plan for the Coronado Generating Station and imposed its own strict emission limits instead.... Read more»

'No other water' — Navajo drinking from uranium-contaminated wells

Residents of Sanders, Ariz. residents know their water contains dangerously high amounts of uranium, but with no other source — they are still using it.... Read more»

Artificial trees: How ASU scientists are hoping to reverse global warming

Scientists at ASU are developing new technology capable of capturing excess carbon dioxide from the atmosphere, a task they believe is paramount to current efforts to reduce emissions.... Read more»

EPA decision to lower ozone standard a ‘major challenge’ for Arizona

The EPA's reduction of its limit for ground-level ozone will put an additional seven Arizona counties out of compliance and pose a significant challenge, an official said Friday.... Read more»

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