Climate-denying rumor propagation in a coupled socio-climate model: Impact on average global temperature

believing probability (ω) and group rejecting probability (z). (TIF) S3 Fig. Sensitivity of temperature change to forgetting probability in both believers and rejectors. (a-c)Parameter planes of CO2 emissions (GtCO2 yr-1) at (a) 2021, (b) 2070, and (c) 2200 and (d-f) temperature changes (˚C) at (d) 2021, (e) 2070 and (f) 2200 by varying group forgetting probability in believers (ρ) and group forgetting probability in rejectors (σ). (TIF) S4 Fig. Effect of variations in a group believing probability and forgetting probability on temperature levels. (a-c)Parameter planes of CO2 emissions (GtCO2 yr-1) at (a) 2021, (b) 2070, and (c) 2200 and (d-f) temperature changes (˚C) at (d) 2021, (e) 2070 and (f) 2200 by varying group believing probability (ω) and group forgetting probability in believers (ρ). (TIF) S5 Fig. Effect of variations in a group rejecting probability and forgetting probability on temperature levels. (a-c)Parameter planes of CO2 emissions (GtCO2 yr-1) at (a) 2021, (b) 2070, and (c) 2200 and (d-f) temperature changes (˚C) at (d) 2021, (e) 2070 and (f) 2200 by varying the group rejecting probability (z) and group forgetting probability in rejectors (σ). (TIF) S6 Fig. Changes in model dynamics with variation in total number of groups. Univariate sensitivity of (a) CO2 emissions, (b) temperature, (c) susceptible, (d) hesitator, (e) believer, and (f) rejector population by varying the parameter X, the total number of groups. (TIF) S7 Fig. Changes in model dynamics with variation in average number of group members.

Univariate sensitivity of (a) CO2 emissions, (b) temperature, (c) susceptible, (d) hesitator, (e) believer, and (f) rejector population by varying the parameter m, the average number of group members. (TIF) S8 Fig. Changes in model dynamics with variation in average number of contact for each individual. Univariate sensitivity of (a) CO2 emissions, (b) temperature, (c) susceptible, (d) hesitator, (e) believer, and (f) rejector population by varying the parameter �c, the average num- ber of contact for each individual. (TIF) S9 Fig. Changes in model dynamics with variation in the average rate of transmitting mes- sages per group. Univariate sensitivity of (a) CO2 emissions, (b) temperature, (c) susceptible, (d) hesitator, (e) believer, and (f) rejector population by varying the parameter �d- the average rate of transmitting messages per group. (TIF) S10 Fig. Parameter values distribution of (a) β Individual hesitating probability and (b) η Individual believing probability generated using ABC. (TIF) S11 Fig. Parameter values distribution of (c) α Believer forgetting probability and (d) γ rejector forgetting probability generated using ABC. (TIF) PLOS ONE Climate-denying rumor propagation in a coupled socio-climate model: Impact on average global temperature PLOS ONE | https://doi.org/10.1371/journal.pone.0317338 January 16, 2025 14 / 18