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Expired Environment & Nature domains on .org with backlinks

Updated Part of Environment & Nature · .org

This page lists 506 expired Environment & Nature domains on .org. Each has expired, is available to register, and has referring domains that survived the original site going offline. That is 42% of the 1,190 Environment & Nature listings and 3% of the 13,393 .org listings in the directory. Across the slice, the median listing here has 10 to 50 referring domains; 449 carry at least one named linking source; 506 had their availability re-checked in the last 30 days; 52 are open, with the name already shown; 11 sit in the top band of 250 or more referring domains. Of the 506 with a recorded registration era, 31% were first registered in 2010 to 2014, the largest band, with registrations running from the 1995 to 1999 band to the 2020 to 2024 band. The most common linking sources are Wikipedia (248), Hacker News (16) and Columbia University (15).

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About this list

Narrowing a category to one extension is how a registrar choice or a market focus usually starts: the same topic reads differently on .org than elsewhere, and the extension decides who can register the name.

Every listing is verified the same way as the rest of the directory. Availability is re-checked against the live DNS root over DNS-over-HTTPS, and a listing that turns out to be registered is removed. Referring domains are counted from our own web crawl, not from a paid link index. Site history comes from archived captures: the archived snapshot count and the span of years the site was captured. Revised Score blends link-graph centrality, referring domains and site history into one 0 to 100 grade, computed across the whole directory.

At a glance

Cite as: “Expired Environment & Nature domains on .org with backlinks”, Revised, https://getrevised.com/app/expired/category/environment/tld/org. Last updated 15 November 2026. Updated continuously; free listings and paid plans show names; others masked.

As of 15 November 2026, the Revised directory of expired Environment & Nature domains on .org with backlinks holds 506 listings, each classified from its archived content. All have expired and are available to register. The median listing has 10 to 50 referring domains, and 11 have 250 or more. Spam-flagged names are filtered out, and 506 (100%) had availability re-checked within 30 days. 449 (88%) carry a link from a tracked university, encyclopedia or news site. Referring domains come from our own web crawl. 52 (10%) are free listings: name and exact counts shown, the rest stay masked except on Starter and Business. Search and filters need no account; masked names stay masked on Free.

Listings
506
Free listings
52 (10%)
Median ref. domains
10 to 50
Named sources
449 (88%)
Re-checked, 30 days
506 (100%)
Last updated
15 Nov 2026

Frequently asked questions

How many expired Environment & Nature domains on .org are listed?
506 at the last count. Every one has expired, is available to register, and has referring domains counted from our web crawl. The count updates as listings are added and as availability re-checks remove names that were registered.
How are these Environment & Nature .org listings verified?
Availability is re-checked against the live DNS root over DNS-over-HTTPS, history comes from archived captures, and referring domains are counted from our web crawl. A listing found to be registered is removed. Names are masked on Free; Starter and Business show every name, and metrics are open.
How do I narrow Environment & Nature .org further?
Use the filters to pivot: change the referring domain band, minimum age or Revised Score, or clear the preset to see the whole directory. Compare listings on site history before choosing one, then register the name at any registrar that offers it.

DR: Domain Rating by Ahrefs

Directory listings. Up and Down move between rows; Enter opens the listing; Right and Left move through the row’s controls.
Actions
.orgEnvironment & Nature<100–9Harvard UniversityUnder $10026 yr.org52
.orgEnvironment & Nature<100–9UIUCUnder $10011 yr.org65
.orgEnvironment & Nature<100–9WikipediaUnder $10019 yr.org34
.orgEnvironment & Nature<100–9UC Santa BarbaraUnder $1007 yr.org63
.orgEnvironment & Nature<100–9Hacker NewsUnder $10014 yr.org62
.orgEnvironment & Nature<100–9BMJUnder $1007 yr.org64
.orgEnvironment & Nature<100–9WikipediaUnder $10015 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9Hacker NewsUnder $10023 yr.org58
.orgEnvironment & Nature<100–9WikipediaUnder $10020 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9WikipediaUnder $10012 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9Hacker NewsUnder $10012 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9WikipediaUnder $10015 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9Ohio State UniversityUnder $10022 yr.org63
.orgEnvironment & Nature<100–9University of ArizonaUnder $10018 yr.org66
.orgEnvironment & Nature<100–9WikipediaUnder $10014 yr.orgNo AI-cited links
.orgEnvironment & Nature<100–9UIUCUnder $10024 yr.org65
thebreconbeacons.org.orgEnvironment & Nature40Wikipedia$9916 yr.orgNo AI-cited linksOpen
fsc-finland.org.orgEnvironment & Nature511Wikipedia$9925 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9World BankUnder $10015 yr.org91
dykemarsh.org.orgEnvironment & Nature42Harvard University$9927 yr.org50Open
.orgEnvironment & Nature<100–9UC Santa BarbaraUnder $10010 yr.org63
.orgEnvironment & Nature<100–9New York UniversityUnder $10012 yr.org64
sustenancetoday.org.orgEnvironment & Nature<101Wikipedia$9916 yr.org44Open
yarragadee.org.orgEnvironment & Nature<1019Wikipedia$9920 yr.orgNo AI-cited linksOpen
flood-control.org.orgEnvironment & Nature50Hacker News$9915 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9Stanford UniversityUnder $10015 yr.org91
hebertarb.org.orgEnvironment & Nature<104WikipediaUIUC$9924 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9US House of RepresentativesUnder $10011 yr.org64
.orgEnvironment & Nature<1020–29United NationsUnder $10015 yr.org94
.orgEnvironment & Nature<100–9WikipediaUnder $10014 yr.org69
micasonline.org.orgEnvironment & Nature20Wikipedia$9920 yr.org35Open
savetheplanetusa.org.orgEnvironment & Nature40Wikipedia$9923 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9UIUCUnder $10013 yr.org65
kildesamarbejdet.org.orgEnvironment & Nature45Wikipedia$9920 yr.org45Open
ecofoodprint.org.orgEnvironment & Nature31Wikipedia$4918 yr.org45Open
.orgEnvironment & Nature<100–9WikipediaUnder $10020 yr.org65
himcca.org.orgEnvironment & Nature31National Institutes of HealthNCBI$9916 yr.org23Open
ecoprofiles.org.orgEnvironment & Nature36Wikipedia$4917 yr.org46Open
lakesuperiorinterfaith.org.orgEnvironment & Nature00Wikipedia$4916 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9USCUnder $10011 yr.org65
consdev.org.orgEnvironment & Nature30Wikipedia$4924 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<100–9World BankUnder $10013 yr.org91
.orgEnvironment & Nature<100–9Columbia UniversityUnder $10017 yr.org89
.orgEnvironment & Nature<100–9UC BerkeleyUnder $10013 yr.org87
glaama.org.orgEnvironment & Nature30Wikipedia$498 yr.org35Open
bcclimatechange.org.orgEnvironment & Nature30Wikipedia$4916 yr.orgNo AI-cited linksOpen
.orgEnvironment & Nature<1020–29United NationsUnder $1006 yr.org94
.orgEnvironment & Nature<100–9World BankUnder $10016 yr.org91
.orgEnvironment & Nature<100–9WikipediaUnder $10024 yr.org60
.orgEnvironment & Nature<100–9Oxford University PressUnder $10019 yr.org65
401–450 of 506