Story perspectives

Scientists Call High-Emission RCP8.5 Implausible, Trump Celebrates

5/18/2026

Summary

Story summary

U.S. President Donald Trump hailed the removal of the IPCC’s RCP8.5 scenario as a defeat of Democratic climate alarmism.
CMIP7 HIGH projects about three degrees Celsius warming by 2100.
Researchers in Geoscientific Model Development said high-emission pathways are implausible because renewable costs have fallen and policy trends have shifted.
GB News reported scientists are phasing out RCP8.5 as it no longer reflects the most plausible emissions trajectory.

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Story summary

U.S. President Donald Trump hailed the removal of the IPCC’s RCP8.5 scenario as a defeat of Democratic climate alarmism.
CMIP7 HIGH projects about three degrees Celsius warming by 2100.
Researchers in Geoscientific Model Development said high-emission pathways are implausible because renewable costs have fallen and policy trends have shifted.
GB News reported scientists are phasing out RCP8.5 as it no longer reflects the most plausible emissions trajectory.