Climate change’s worst-case scenario is officially canceled
The highest-emission climate scenario, RCP 8.5, has been officially retired by scientists, marking a significant shift in climate projections. This change indicates that the previously feared apocalyptic outcomes are no longer considered plausible, with a new central estimate of 2.8°C warming by 2100. The retirement of RCP 8.5 reflects progress in climate policy and clean energy advancements, offering a more hopeful outlook for the future.
- ▪RCP 8.5 was the highest-emission scenario used to project climate change outcomes.
- ▪Scientists have eliminated RCP 8.5 from future climate assessments due to falling clean-energy costs and changing emissions trends.
- ▪The new central estimate for warming by 2100 is now 2.8°C, indicating a less dire future than previously projected.
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Story provenance
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Record
| Original publisher | Vox |
| Canonical URL | https://www.vox.com/future-perfect/489488/climate-change-scenario-rcp-8-5-warming-emissions |
| Publication time | 2026-05-23T08:00:00-04:00 |
| Retrieval time | 2026-05-23T12:02:26.392Z |
| Last seen | 2026-05-23T12:27:13.322Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | DLwBfJ5Z4kkC · 2 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Future PerfectClimate change’s worst-case scenario is officially canceledWhat comes next will depend on us.by Bryan WalshMay 23, 2026, 12:00 PM UTCShareGiftGetty Images/Xu WuBryan Walsh is a senior editorial director at Vox overseeing the climate teams and the Unexplainable and The Gray Area podcasts. He is also the editor of Vox’s Future Perfect section and writes the Good News newsletter. He worked at Time magazine for 15 years as a foreign correspondent in Asia, a climate writer, and an international editor, and he wrote a book on existential risk.You’ve probably never heard of the term “RCP 8.5” — the highest-emission scenario used by climate scientists to project the planet’s future.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Vox.
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