Climate Rubik
Investor Due Diligence Report
ghostClimate
Energy lens on Climate change
1K
~0%
Subscriber count is a platform estimate
Pricing
$5/mo
$50/yr annual option
$442
~100 est. paid subs
$221/mo – $663/mo(±50%)
Previously Monthly
0.2 posts/week
65/100
Consistent (~35.5d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| HEATED | 140K | -0.3% | $8/mo | substack |
| The Crucial Years | 123K | +0.9% | $6/mo | substack |
| Energy Talking Points by Alex Epstein | 57K | N/A | $9/mo | substack |
| The Hotshot Wake Up | 32K | N/A | $6.99/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 3.5K | $1,545.83 | — |
| Mar 2026 | 1K | $441.67 | -71.4% |
| Apr 2026 | 1K | $441.67 | ~0% |
| May 2026 | 1K | $441.67 | ~0% |
Platform Dependency
Uses ghost platform
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
1K subscribers — below the 2K category median (based on 104 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
100% of 65 similar-size peers in Climate have paid tiers
Pricing position
$5/mo vs $6/mo category median (185 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $50 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| David Gelles |
| 30K |
| N/A |
| Free |
| substack |