Figure 1. CO2 emissions scenarios (left) and temperature outcomes (right) commensurate with no major climate change mitigation policies (“No policy;” or RCP 8.5), the Nationally Determined Contributions (NDCs) pledged under the Paris Agreement; and limiting warming to 1.5 ˚C above preindustrial times. Emissions trajectories and outcomes were generated with the C-ROADS (Sterman et al., 2012, 2013) climate change policy simulator.