1. A few more air pollutants of note: Lead VOC’s (volatile organic compounds) Particulates CFC’s (see ozone)

2. As Wallace Broecker likes to say, the Earth's climate system is "an angry beast“Wallace Broecker and “one that we should not be poking with sticks.”

10. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

11. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

12. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

13. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

14. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

15. http://www.sp.uconn.edu/~geo101vc/Lecture19/sld005.htm

17. Carbon dioxide and temperature – a ‘chicken and egg’ problem.

19. Other historical indicators: reduction in sea ice; retreat of valley glaciers; earlier lake ice melt; warming of permafrost; etc.

20. The ‘Keeling Curve”

22. http://www.met-office.gov.uk/research/hadleycentre/pubs/brochures/B2000/climate.html

23. http://www.atmos.washington.edu/~davidc/ATMS211/Lecture3-slides-PDF.pdf

24. source: http://www.bom.gov.au/ El Nino impacts?

25. source: http://www.bom.gov.au/

26. ENSO – El Nino Southern Oscillation

27. source: http://www.bom.gov.au/

31. ENSO – El Nino Southern Oscillation