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INTRODUCTION
KICK THE HABIT
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Source: IPCC Fourth Assessment Report, Working Group III Report: Mitigation of Climate Change; 2007
(figure adapted from Olivier et al., 2005; 2006; Hooijer et al., 2006).
Thousand million tonnes of CO
2
equivalent per year
(1970-2004 period)
0
5
10
15
20
25
30
35
40
from fossil fuel use
CO
2
from deforestation, logging and peat fires
other
CH
4
N
2
0
HFCs
PFCs
SF
6
14%
77%
57%
17%
8% 1%
CO
2
: Carbon dioxide
CH
4
: Methane
N
2
O: Nitrous oxide
PFCs: Perfluorocarbons
HFCs: Hydrofluorocarbons
SF
6
: Sulphur hexafluoride
Emissions by gas