# Roger Pielke Jr Back to [[Authors/@BjornLomborg/People/People|Lomborg People]] · [[Authors/@BjornLomborg/BjornLomborg-x-profile|@BjornLomborg]] · Topic: [[Topics/Climate Change Science and Policy Debate/Climate Change Science and Policy Debate|Climate Change Science and Policy Debate]] **Role:** Academic and commentator on climate science, disasters and policy (AEI / *The Honest Broker*). Also tracked in the climate hub: [[Topics/Climate Change Science and Policy Debate/People/Roger Pielke Jr|Roger Pielke Jr (hub)]]. - Apr 29, 2026 Honest Broker / AEI piece **"RCP8.5 Is Officially Dead"** — broke the news that CMIP7 ScenarioMIP retired RCP8.5 / SSP5-8.5 / SSP3-7.0 as implausible. Lomborg amplified it Apr 30–May 6, 2026. - Earlier work on normalized disaster losses and hurricane damage is background for Lomborg's extremes posts (with Klotzbach et al.). - Cited in [[Authors/@BjornLomborg/Post Analyses/Post Analysis - BjornLomborg on RCP8.5 Officially Dead (2026-05-05)|May 5, 2026 RCP8.5 analysis]] and in [[Authors/@BjornLomborg/Books/Solutions for the World's Biggest Problems|*Solutions for the World's Biggest Problems*]] (natural-disasters chapter author).