Len Necefer
@drlennecefer · All At Once by Dr. Len · Substack profile · Climate & Environment
Len Necefer has 10,477 followers on Substack as of Nov 1, 2026. On the latest board read, Oct 31, 2026, they were #24 on Substack's Climate & Environment Bestsellers board. 55 publications recommend them, and they recommend 7.
Last read Nov 1, 2026 (UTC). Followers are not email subscribers. Substack lists only the newest 50 recommendations for each publication, so a recommender count of 50 or more is a floor. History starts Oct 31, 2026; Substack publishes nothing earlier.
- Followers
- 10,477
- read Nov 1
- Last 7 days
- first number on Nov 7
- Last 30 days
- first number on Nov 30
- Subscribers
- 9K+
- rounded by Substack
- Paid subscribers
- 100+
- bestseller badge 100+
- Recommended by
- 55
- none new in 30 days
- Recommends
- 7
- Bestsellers rank
- #24
- Climate & Environment
Followers by day
Tracking since Oct 31, 2026. 2 days of readings. Substack doesn't publish past follower counts, so history starts the day I first read a writer and grows by one reading every 3 days (daily if it's on your watchlist). The 7-day change appears on Nov 7, the 30-day change on Nov 30. Recommendation dates below go further back: they're Substack's own.
Show as a table
| Date | Followers | Change | Subscribers | Paid band |
|---|---|---|---|---|
| Nov 1, 2026 | 10,477 | +3 | 9K+ | |
| Oct 31, 2026 | 10,474 | 9K+ |
Leaderboard positions
| Board | Rank now | Best on record | Reads on it |
|---|---|---|---|
| Climate & Environment Bestsellers | #24 | #24 | 4 of 4 |
| Climate & Environment Rising | #40 | #40 | 1 of 4 |
Rank on each read
| Writer | Oct 3107:00 | Oct 3113:00 | Oct 3119:47 | Nov 621:50 | Move |
|---|---|---|---|---|---|
| Climate & Environment Bestsellers | 24 | 24 | 24 | 24 | 0 |
| Climate & Environment Rising | 40 | new |
I read every board once a day.
Recommendations
55 publications recommend Len Necefer. Len Necefer recommends 7, and 3 of those recommend back. Lists read Oct 31.
When the recommendations started
Show as a table
| Month | Started |
|---|---|
| 2025-01 | 2 |
| 2025-02 | 6 |
| 2025-03 | 3 |
| 2025-04 | 2 |
| 2025-05 | 3 |
| 2025-06 | 1 |
| 2025-08 | 2 |
| 2025-11 | 1 |
| 2025-12 | 2 |
| 2026-01 | 1 |
| 2026-02 | 4 |
| 2026-03 | 1 |
| 2026-04 | 2 |
| 2026-05 | 9 |
| 2026-06 | 2 |
| 2026-07 | 6 |
| 2026-08 | 6 |
| 2026-09 | 2 |
Recommended by
Wes Siler110k followers · started Jan 2025 · mutual
Katharine Hayhoe69k followers · started May 20, 2026
Flylab30k followers · started Aug 28, 2026
Jonathan P. Thompson12k followers · started Feb 2025 · mutual
Josh Jackson5.7k followers · started Feb 2025 · mutual
Leah Stokes5.5k followers · started Jul 16, 2026
Will C. De Man5.2k followers · started Nov 14, 2025
McKenzie Long198 followers · started Aug 2025- Jack Sketti O'sstarted Sep 20, 2026
- Naturally Complicatedstarted Sep 14, 2026
- Marie Myung-Ok Leestarted Aug 30, 2026
- The Green Man Returns's Substackstarted Aug 18, 2026
- Amari Beckerstarted Aug 6, 2026
- Kristina's Substackstarted Aug 1, 2026
- Kristina's Substackstarted Aug 1, 2026
- The Riparian Zonestarted Jul 16, 2026
- Leah Stokesstarted Jul 16, 2026
- Portraits of Nature | Wild Places, Fine Art, and Deep Ecology.started Jul 13, 2026
- Diane's Substackstarted Jul 12, 2026
- Eliza's Substackstarted Jul 1, 2026
- Believelandstarted Jun 12, 2026
- Sumer's Substackstarted Jun 1, 2026
- Dr.'s Substackstarted May 29, 2026
- Hooty's Substackstarted May 29, 2026
All 55
- Nick's Substackstarted May 28, 2026
- Alan's Substackstarted May 27, 2026
- Annie's Substackstarted May 16, 2026
- Ephemeris Borealisstarted May 14, 2026
- Matt Lee-Ashleystarted May 6, 2026
- Brian McCaffreystarted May 1, 2026
- Notes From The Boatstarted Apr 29, 2026
- Go Play Outsidestarted Apr 17, 2026
- Louisa McBridestarted Mar 20, 2026
- Howardstarted Feb 26, 2026
- Deux salles, deux ambiancesstarted Feb 25, 2026
- Juliana's Substackstarted Feb 23, 2026
- A Life of Leisurestarted Feb 15, 2026
- Sarah's Substackstarted Jan 12, 2026
- ashleigh's Substackstarted Dec 12, 2025
- Lily Rothrockstarted Dec 11, 2025
- Vanesa’s Substackstarted Aug 2025
- Ericstarted Jun 2025
- Denise’s Substackstarted May 2025
- Kris’s Substackstarted May 2025
- Bradley’s Substackstarted May 2025
- Through The Trees Creativestarted Apr 2025
- Katie Kerekesstarted Apr 2025
- Untrammeledstarted Mar 2025
- Grey’s Substackstarted Mar 2025
- No Free Beerstarted Mar 2025
- The (Not So) Lonely Leaderstarted Feb 2025
- Field Notes From the Weststarted Feb 2025
- Tangled Rootsstarted Feb 2025
- Fried | Emily Tidwellstarted Feb 2025
- Brittany’s Substackstarted Jan 2025
Recommends
- Wes Siler110k followers · started Jan 2025 · mutual
- Jonathan P. Thompson12k followers · started Jun 2023 · mutual
- Josh Jackson5.7k followers · started Oct 2025 · mutual
Morgan Sjogren3k followers · started Apr 2, 2026- Zak Podmorestarted Apr 2, 2026
- Looking Sidewaysstarted Jun 2023
- Wild Beesstarted Jun 2023
Substack lists the 50 newest recommenders of each publication. I add every recommendation found in the full lists of the 6,392 publications I read, so writers with many recommenders may still be missing a few small ones. "Started" is Substack's date.
Recommended by the same publications
Writers who share the most recommenders with Len Necefer. Useful for finding peers, and for sponsors looking for similar audiences.
- 5 shared
Wes SilerWes Siler’s Newsletter
110k followers - 4 shared
Jonathan P. ThompsonThe Land Desk
12k followers - 2 shared
Heather Cox RichardsonLetters from an American
3.5M followers - 2 shared
Emily AtkinHEATED
254k followers - 2 shared
Bill McKibbenThe Crucial Years
177k followers - 2 shared
Our Public Lands & Waters@ourpubliclandsandwaters
74k followers - 2 shared
Ayana Elizabeth JohnsonWHAT IF WE GET IT RIGHT?
49k followers - 2 shared
More Than Just Parks@morethanjustparks
33k followers
Who recommends writers like this one
Publications that recommend at least two other Climate & Environment writers with 10,000 to 50,000 followers (55 writers in that group), but not Len Necefer.
- recommends 9 of themBill McKibben@billmckibben
- recommends 5 of them
Jason Anthony@jasonanthony - recommends 5 of them
David Turver@davidturver - recommends 5 of themNo Lines in Nature
- recommends 4 of them
Roger Pielke Jr.@rogerpielkejr - recommends 4 of them
Sam Matey-Coste@sammatey - recommends 4 of them
Gabe Popkin@gabepopkin - recommends 4 of themAlthea’s Substack
- recommends 4 of themTURBO GOTH UNIVERSE
- recommends 3 of them
Climate Action Now@climateactionnow1
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