Climate · Newsletter guide
The best climate newsletters, free and paid
Climate newsletters have become some of the strongest independent journalism in email. These are the most-read climate and clean-energy briefings in 2026, from accountability reporting to deep grid-nerd analysis.
We check each newsletter is still publishing, note whether it's free or paid, and link straight to the official signup. We don't take payment for placement.
HEATED
Accountability journalism treating climate as a story of corruption, power, and disinformation.
Hundreds of thousands of subscribers; praised by the Columbia Journalism Review.
Canary Media
Clean-energy journalism — the companies, tech, and policy of decarbonization.
The best free source for clean-energy news.
Heatmap News
Sharp coverage of climate, the energy transition, and the politics around both.
The buzziest climate-media startup of the decade.
The Crucial Years
The 350.org co-founder connecting the dots on the biggest climate stories.
A movement legend's weekly letter.
Volts
Deep, wonky clean-energy and policy analysis.
The insider's read on how the grid actually decarbonizes.
Frequently asked
- What's the best free climate newsletter?
- HEATED, Canary Media and Heatmap News are the most popular free picks on this list — each links straight to its official signup above.
- How can I listen to my climate newsletters instead of reading them?
- Subscribe to the ones you like, then forward them to Hark News. We turn your own forwarded newsletters into a five-minute spoken briefing each morning, without ever connecting to your inbox.
- How did you choose these?
- We include newsletters that are currently publishing, note whether each is free or paid, and link to the official signup. We don't take payment for placement, and we don't reproduce newsletter content — we point you to the source.
Last updated: July 2026