section has two pages. Click on the pdf icon at left if you do not have
an activity sheet for this section.
A - Change in CO2
here to go to the CO2
MONTHLY MEAN site.
- What is happening to the concentration of atmospheric CO2?
B - Timeline
here to go to the POSSIBLE
- If there are no efforts to stop the greenhouse effect, what is the
range of possible temperature increases predicted to be by the time
you are 50 years old?
C - Revolutionary Problems
here to go to the INDUSTRIAL
- How much has the CO2 concentration increased since the
Industrial Revolution began?
- What percent increase is this?