Summary
¥Air Pollutants – Long History
–Primary: CO, NOx, SOx, VOC, PM
–Secondary: H2SO4, NO2, O3
¥Global Problem - Knows No Boundaries!
–Serious Health Consequences
¥US Air Improving - Clean Air Act
But
It is Degrading in Emerging Economies ¥Air Pollution Weather and Air Dispersion
¥Acid Rain