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Platform Portability
Uses Substack subdomain (quantumsocialchange.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Exploring the possibilities and potentials of quantum social change for climate action and global sustainability.
Data updated 1 month ago
210 paid
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Start tracking — freeWe don't have enough growth data for Karen O’Brien for Quantum Social Change yet. The average Climate newsletter has 1K subscribers.
Based on 171 Climate newsletters tracked
vs 20 newsletters in Climate
3K places you in the top 25% of newsletters in this category.
Engagement Rate
0.35%
median: 0.00%
Posts per Week
0.5
median: 0.9
Subscribers
3K
median: 1K
Avg Comments
2.0
Avg Likes
8.5
Engagement Rate
0.35%· ~11 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Climate
0.35% engagement rate
Score Breakdown
Engagement Score
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Publishing Frequency
Bi-weekly
Last published Apr 15, 2026
0.5 posts/week avg
Climate Pricing
$6/mo median
Above average(+33%)
Monetization Readiness
Already monetizing
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