What Temperature Changes Are Projected for Different Emission Scenarios?

In the introduction of this module, you learned about climate models and how important they are for projecting future climatic conditions. You also learned about scenarios or Representative Concentration Pathways (RCPs), which are based on different concentrations of greenhouse gas emissions. These low and high scenarios are used by climate scientists to project temperature change over the century. The low scenario is based on a net radiative forcing of 2.6 W/m2 by 2100, and the high scenario, 8.5 W/m2, by 2100.

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