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Dust, particle pollution disproportionately affect Latino and poor communities

More than 174,000 Arizona youth have asthma — many of them minorities and from low-income families, who bear a greater "pollution burden." " ... Read more»

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These states are not so chill about air conditioners’ climate emissions

The comfort of air conditioning comes with an environmental cost — one a growing number of states are trying to reduce by phasing out the use of hydrofluorocarbons, or HFCs.... Read more»

EPA plan to ease mercury standards raises ire of moms’ group, activists

Arizona mom Claudia Faudoa joined dozens of activists Monday who called the Environmental Protection Agency’s plan to relax standards on power plant emissions, like mercury, an “attack on American children.”... Read more»

A CO2 sponge: Arizona scientist working to combat rising carbon dioxide levels

ASU researchers have developed a technology that scrubs the air of carbon dioxide. Now they need the funding to make it bigger.... Read more»

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»

Factcheck: Trump's numbers, October 2018 update

Statistical measures of how things have changed since the president took office.... Read more»

What the Devil won't tell you

Ozone levels in Pima County air nothing to cough at

Ozone doesn't just make it harder to see the Rincons, it'll harm your lungs — and, as we're learning, even your heart. And Tucson just blew over the legal limit for the smoggy contaminant. Here's the low-down on why we should keep an eye on the sky. ... Read more»

Air quality advisory: Pima County hit with 'regional dust plume'

Pima County officials are cautioning residents to limit their outdoor activities because of the high level of dust in the air Thursday. A "regional dust plume" has raised the level of airborne particles, and cold weather may lead to more smoking fireplaces overnight, officials said.... Read more»

Dust in the wind means air quality watch for Pima County

High levels of soot, dust and aerosol matter in the air have led officials to caution people with sensitivities to limit outdoor activities for the next day or so in the Tucson area.... Read more»

Az group wants $57M VW settlement to pay for electric school buses

A local grassroots environmental group gathered outside the Arizona state Capitol on Thursday to draw attention to diesel pollution. They want state officials to use the nearly $57 million the state will receive from the national Volkswagen settlement to replace diesel school buses with electric buses.... Read more»

Cut lighter fluid for tastier, greener grilling

Grilling without using lighter fluid means releasing smaller amounts of volatile organic compounds into the air — key ingredients in smog. It can also mean better-tasting food for your July 4 barbecue. So how to get the blasted coals glowing without dousing them in lighter fluid? Use a charcoal chimney.... 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»

UA partners to make concrete out of coal byproduct

The University of Arizona has partnered with a private manufacturing firm to create a more eco-friendly version of concrete from fly ash, a leftover from coal plants that used to pollute the air. ... Read more»

Enviros challenge states to use VW funds to boost electric vehicle use

Environmental advocates are challenging Arizona and states across the Southwest to use funds from a potential Volkswagen lawsuit settlement to invest in electric-vehicle charging stations and to electrify public transit.... Read more»

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