2,500
2,000
Total CO2 emissions since 1960
Carbon budget within which there is a ‘high’ chance of limiting warming to 1.5C
1,500
1,000
500
0
1960
1980
2000
2020
2040
2,500
2,000
Carbon budget within which there is a ‘high’ chance of limiting warming to 1.5C
Total CO2 emissions since 1960
1,500
1,000
500
0
1960
1980
2000
2020
2040