Best Global Health Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Global Health as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Climate Change and You (92K), Positive Sum (2K) and Global Development & Economic Advancement (2K).

Updated Nov 4, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Climate Change and You92K subscribers

    SubstackEvery two weeks · last post 6 days ago

    From recent posts: Climate Change and You publishes news articles and reports on global climate impacts, extreme weather events, and associated risks such as heatwaves, floods, and food security. The publication targets an audience…

    Likely audience: Climate researchers and scientists

  2. 2
    Positive Sum2K subscribers

    SubstackEvery two weeks · last post 27 days ago

    From recent posts: Positive Sum publishes long-form essays and policy analysis covering topics like effective altruism, AI safety, economic inequality, and public health. The publication targets readers interested in the intersection of…

    Likely audience: AI safety researchers

  3. 3
    Global Development & Economic Advancement2K subscribers

    SubstackMonthly or less · last post 30 days ago

    From recent posts: This publication aggregates data-driven insights, funding announcements, and policy analysis from global development, philanthropy, and technology sectors for professionals and researchers in international aid and…

    Likely audience: Global health researchers

  4. 4
    Impact Labs—

    SubstackEvery two weeks · last post 13 days ago

    Inspiring and empowering the next generation of technologists to build a better world.

    Likely audience: Global health professionals

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