Thirty Failed Climate Forecasts (optimism please)

By Robert Bradley Jr. -- January 2, 2026

Martin Ecclestone on social media (November 4, 2025) usefully provided a historical review of climate exaggeration. “Educate yourself,” he began. “Uninformed personal opinions don’t change facts.”

Here’s a list [30] of the major climate-change impacts that climate scientists predicted and that have already eventuated (observed and documented in the scientific literature and major assessments). I’ve kept each item short — if you want, I can expand any item with dates, regions, or citations.

1. Global mean surface temperature rise (planet warming).

2. More frequent and/or more intense heatwaves (land).

3. Ocean warming (upper ocean and deep ocean temperature increase).

4. Global sea-level rise (mean sea level increase).

5. Melting of glaciers and mountain ice (glacial retreat).

6. Loss and thinning of Arctic sea ice (decline in extent and volume).

7.…