2055
2005
14
7
Billion of Tons of Carbon Emitted per Year
1955
0
Stabilization Triangle
Text Box: Currently projected path
Currently projected path
Flat path
Historical
 emissions
2.0à
2105
Easier CO2 target
~850 ppm
Text Box: Tougher CO2 target
Tougher CO2 target
Text Box: ~500 ppm
~500 ppm
The Stabilization Triangle
O
Interim Goals
Today and for the interim goals, global per-capita emissions are ≈ 1 tC/yr.
O