BackClick here to view the resource directly.

Instructions: Read pages 19-24 in Chapter 2 titled "Weather and climate: changing human exposures" and closely examine the figures on pp. 20 and 23. After reading and reviewing, think about how you would 'teach' the processes behind the greenhouse effect to someone else. Note the difference between future projections of atmospheric CO2 concentrations and those of the past. (Approximately 15 minutes)