2020
Prospect of 5% fall this year
40 billion
tonnes of CO
2
2009
Carbon emissions fell by 300m
tonnes in the global financial crisis
30
1983
Carbon emissions fell by 1bn
tonnes over 4 years in the
early 1980s recession
20
1975
Carbon emissions fell by
100m tonnes over 2 years
in the 1970s recession
10
1945
Carbon emissions fell by
750m tonnes after WW2
0
1800
1850
1900
1950
2000
40 billion tonnes of CO
2020
Prospect of 5% fall this year
2
2009
Carbon emissions fell by 300m
tonnes in the global financial crisis
30
1983
Carbon emissions fell by 1bn tonnes over
4 years in the early 1980s recession
20
1975
Carbon emissions fell by 100m tonnes
over 2 years in the 1970s recession
10
1945
Carbon emissions fell by
750m tonnes after WW2
0
1800
1850
1900
1950
2000