An Introduction to Environmental Chemistry

80

60

40

20

0

20

40

60

0 200 000 400 000 600 000 800 000 1 000 000

1980 1989

Total CO 2 emissions summed by latitude

North latitude

South latitude

Carbon (1000 metric tonnes)

GtC year

–1

0

1

2

3

4

5

6

7

8

Year

1960 1970 1980 1990 2000

Fossil fuel emissions

Annual atmospheric increase

Fig. 7.7Latitudinal change in CO 2 emissions from 1980 to 1989 as seen in 5° latitude bands. After Andres
et al. (2000). With kind permission of Cambridge University Press.

Fig. 7.8Fossil-fuel emissions and the rate of increase of CO 2 concentrations in the

atmosphere. Vertical arrows define El Niño events (see text for discussion). Data from

IPCC (2001). With permission of the Intergovernmental Panel on Climate Change.