1. Chris Madden copy right Original Artist....This image is attributed to Chris
Madden © 2004, Orignal Artist

2. EPA.” Common Pollutants. 2000 . photograph

3. PRIMARY AIR QUALITY
STANDARDS
NASA Goddard Space Flight Center,"Carbon Monoxide
Pollution over the United States and Canada" June 10,
2011 via Flicker, Creative Commons Attribution

4. SECONDARY
STANDARDS
Ian Armstrong, " Sydney dust strom" October 2,
2009 via Flickr, Creative Commons Attribution

5. STAITANARY SOURCES
Woldgang Schegl,"Pumping it out" January 1,
2007 via Flickr, Creative Commons Attribution

6. MOBILE SOURCES
World Learning," Pollution in Mexico City" March 18, 2006
via Flickr, Creative Commons Attribution

7. World Learning," Pollution in Mexico City" March 18, 2006

8. NATURAL SOURCES

9. Air Pollution Pathways. September 12, 2008 via
Wordpress

10. HEALTH EFFECTS
Horton. Indoor Air Pollution. 2008. Photograph. How Stuff Works. Web.

11. AIR AND THE
ENVIORNMENT
Stone, Les. Coal Pollution. 2007. Photograph. Airship
Highlights Coal Pollution. Green Peace. Web.

12. ACID RAIN
Alderman, Fielding. Acid Rain. 2004. Photograph. Acid Rain. Tripod. Web.

13. GROUND LEVEL
OZONE
Roger Price, "Ozone hole" May 31, 2009 via Flicker,
Creative Commons Attribution

14. CLIMATE CHANGE
Feather. Melting Polar Ice Caps. 2012. Photograph. Melting Polar Ice Caps.
WordPress. Web.

15. AIR and the ECONOMY
Nyier, Abdu. Hillsboro Farm. 2011. Photograph.
The Jersey Journal.

16. EPA. Clean Air Act. 1990. Photograph

17. CHANGE
EPA. Go Green. 2005. Photograph .

18. WIND POWER
Alamy. Wind Farms. 2012. Photograph. Wind Farms Can Cause Climate

19. Dawn Ellner, "Clepsydra Geyser" August 3,2010 via
Flickr, Creative Commons Attribution

20. U.S National Parks, “Rockies”. 2004