Bad Air - Science News - Laura Beil Crossword

To the residents in this town in Pennsylvania, their world forever changed on October 27th 1948.
Passed in 1970 and regulates the US emissions of hazardous air pollutants.
Unhealthy air quality has fallen by almost ___ since the passage of the CAA.
Dirty air may in fact be an accomplice so some of the greatest threats to ___ ___.
Air pollution in america largely rises from power plants, industries, ____ and other sources of fuel burning.
Hard to control, noxious gas formed when nitrogen oxides and volatile organic compounds react with sunlight.
Until 20 years ago, we thought that air pollution affected only the ___ ___.
Leading cause of death in the US - a strong case that air pollution affects it.
Most of the ___ within the air pollution is from agricultural sources.
The risk of ___ rose by 34 percent within a day of exposure to 'particulate concentrations', even those within EPA standards
Children exposed to the most air pollution, compared with those least exposed, had a 14% larger ___ .
EPA scientists found that mice exposed to ozone can develop ___, a precursor to diabetes.
Research suggests that poisons in the air might accelerate ___ in the brain.
It has been shown that inhaled pollutants had toxic effects on ___ ___