Climate activism newsletters

NewsletterFIT tracks 6 newsletters that cover Climate activism as a primary topic, 5 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are The Earthly (13K), Chunks Of Change med Isabelle (4K) and Act on Climate (3K). Brands detected sponsoring these newsletters recently include Go Green Glen Ellyn.

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Earthly 13K subscribers

    Substack Every two weeks · last post 14 days ago

    Likely audience: Climate activists and organizers

  2. 2
    Chunks Of Change med Isabelle 4K subscribers

    Substack Monthly or less · last post 28 days ago

    Likely audience: Climate and sustainability advocates

  3. 3
    Act on Climate 3K subscribers

    Substack last post Jul 1, 2026

    Likely audience: Climate activists

  4. 4
    350 Illinois Newsletter 2K subscribers

    Substack Monthly or less · last post 25 days ago

    Likely audience: Climate activists

    Sponsors detected: Go Green Glen Ellyn

  5. 5
    Revolution or Collapse —

    Substack Monthly or less · last post 18 days ago

    Likely audience: community organizers

  6. 6
    Electrified —

    Substack Monthly or less · last post 51 days ago

    Likely audience: Climate activists

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