Carbon and Climate

The Global Carbon Budget : 1960 to 2100

Project CO2 sources and sinks by dragging points on the left graph.
Hit Run Projection for the impact on atmospheric CO2 (right graph).


  1. The blue areas mark predicted ranges from the global climate models used in the Intergovernmental Panel on Climate Change, Fourth Assessment Report (IPCC AR4, 2007).
  2. The estimated global temperature response is a rough scaling based upon average IPCC AR4 (2007) model sensitivity to atmospheric CO2; for illustrative purposes only.