Climate Science newsletters

NewsletterFIT tracks 13 newsletters that cover Climate Science as a primary topic, 9 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are The Honest Broker (40K), The Naked Emperor’s Newsletter (29K) and Climate Ages (12K). Brands detected sponsoring these newsletters recently include Clintel.

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Honest Broker 40K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: Political analysts

    Sponsors detected: Clintel

  2. 2

    Substack Weekly · last post 16 days ago

    Likely audience: Policy analysts

  3. 3
    Climate Ages 12K subscribers

    Substack Monthly or less · last post 47 days ago

    Likely audience: Climate scientists

  4. 4
    Climate Uncensored 10K subscribers

    Substack Monthly or less · last post 49 days ago

    Likely audience: Climate scientists

  5. 5
    Climate Water Project 6K subscribers

    Substack Every two weeks · last post 23 days ago

    Likely audience: ecologists

  6. 6
    Future in Bloom 4K subscribers

    Substack Monthly or less · last post 56 days ago

    Likely audience: Environmental advocates

  7. 7
    Raj Patel 1K subscribers

    Substack Every two weeks · last post 24 days ago

    Likely audience: Sustainability researchers

  8. 8
    Climath —

    Substack Monthly or less · last post 20 days ago

    Likely audience: Climate scientists

  9. 9

    Substack Monthly or less · last post Aug 22, 2026

    Likely audience: climate scientists

  10. 10
    ScienceDaily Newsletter 125K subscribers

    Substack last post Jun 5, 2025

    Likely audience: Policy makers

  11. 11

    Substack last post Feb 26, 2026

    Likely audience: Public health researchers

  12. 12
    Climate Matters 2K subscribers

    Substack last post Dec 17, 2022

    Likely audience: Environmental activists

  13. 13

    Substack last post Sep 8, 2024

    Likely audience: History enthusiasts

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