Air of Risk 
 A special report from The Press-Enterprise
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 The Battle for Clean Air
Abner Rojas, 5, takes a break from playing.
Almost half the children in the neighborhood had symptoms of asthma or had been diagnosed with it - twice the rate of children who live five miles away in Fontana.
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 Children breathe more air per pound of body weight than adults
The list of known or suspected potential harm to children is long and getting longer. It includes low birth weight, birth defects, autism, asthma and other lung disorders, learning problems and obesity. 
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Invaders in your lungs.
Microscopic particles can cause internal havoc.
When soot particles encounter ozone — an invisible gas created when other pollutants combine in sunlight — one of the outcomes is the creation of especially toxic oxygen-containing compounds called quinones.
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Clean Air: A promise still elusive for Inland region 
The federal Clean Air Act of 1970 prompted changes that led to dramatic air quality improvements, but some Inland communities still don’t meet standards 
So far in 2013, ozone levels in Southern California have surpassed the current ozone standard on 83 days. The smog season got off to a fast start — in June, only two days met the federal ozone standard in the air basin between the Pacific Ocean and the San Bernardino Mountains. 
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Reducing air pollution extends lives 
Based on data from the South Coast Air Quality Management District, Inland area residents could be living four to six months longer than the population did a decade ago. 
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In Moreno Valley, economic growth and air pollution collide. 
Moreno Valley has become the poster child for the struggle to provide jobs and keep air pollution under control .
City staff members are processing plans by a local developer to build a warehousing hub covering the equivalent of 700 football fields. 

City-hired economists say the warehouse complex could put more than 20,000 people to work and pump as much $2.6 billion a year into the city’s economy.

But the center would be a major polluter .
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Trucking : A job opportunity for former dairyman 
Jose Rodriguez, a truck driver, can attest that the flow of goods through the Inland region provides job opportunities. He also knows that cutting air pollution from trucks is a priority — and, in some cases, a hardship.
He has until Jan. 1 to retrofit his Peterbilt with a state-approved particle trap that will greatly cut the truck’s soot emissions, but will cost him about $15,000.
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Air Pollution : Winning the battle involves government, technology, lifestyle 
Much has been done to improve air quality in recent decades, but more work is needed to reduce levels of the Inland’s worst pollutants. 

One of the key measures by the region’s air pollution control agency, the South Coast Air Quality Management District, is a residential wood-burning ban when air quality reaches unhealthful levels.
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A Special Report on Inland Southern California Air Quality from environmental reporter David Danelski, produced in part with a grant from the Lucile Packard Foundation for Children's Health Journalism Fund, awarded by The California Endowment Health Journalism Fellowships at the USC Annenberg School of Journalism.
Part one: Pollution 

Battle for Clean Air: Amid mounting research detailing the harm of bad air, region still fails to meet federal standards

Vulnerable: Children are more susceptible to harm from pollution

Invaders: Fine-particle pollution turns the body into a battleground

Federal Promise: Support for the 1970 Clean Air Act was almost unanimous

Ultimate Benefit: Clean up the air and live longer, health experts declare

Part Two: Politics

The Debate: Moreno Valley has become the poster child for the struggle to provide jobs and keep air pollution under control

Moving Goods: Once a dairy worker, an independent trucker does his part to control pollution

Rx for Pollution: Remedies range from healthy lifestyles to clean trucks