Methane emissions

Gigatonnes of CO2 equivalent

8.5

8.0

7.5

7.0

6.5

6.0

1990

2000

2010

2019

Gigatonnes of CO2 equivalent

8.5

8.0

7.5

7.0

6.5

6.0

1990

2000

2010

2019

Guardian graphic. Source: World Bank world development indicators. Note: 1 gigatonne = 1 billion tonnes