Roger Pielke Jr.

New Capabilities

Author of recent research on scenario plausibility; podcast guest on Human Progress

The scenario long used as climate change's 'business as usual' no longer counts. In April 2026, the team building the next generation of global climate models removed SSP5-8.5 (the high-emissions track behind most '4-5°C by 2100' headlines) from CMIP7, which will feed the IPCC's seventh assessment report.

Updated May 31