Newsletter Insights — independent newsletter & sponsorship data across 35K+ newsletters
Browse all →by Sane Thoughts for Insane Times
The facts about climate change and overshoot.
Enter your email and we'll connect you with this newsletter.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedSane Thoughts for Insane Times's metrics, benchmarks, and sponsor data in one document
2K
Above Median in Climate
substack
Climate
2.83%· ~57/post
(comments + likes) / subscribers
vs 0.00% category avg
Bi-weekly
0.7 posts/week avg
$5/mo
Category avg: $6/mo
171
newsletters in Climate
Above Median in Climate
out of 171 newslettersPublishing Frequency
Bi-weekly
Last published Apr 11, 2026
0.7 posts/week avg