#carbondioxide

Live, measured metrics for the hashtag #carbondioxide from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #carbondioxide

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$5.00/ year · 13-character #name
Claim #carbondioxide — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
2
Uses / 7 days
Mastodon
2
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-28 13:44 UTC
1
09-22
1
09-23
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28

2 uses by 2 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-28 13:44 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-28 13:44 UTC

Everything below is measured over the latest 40 public posts (spanning ~2374 hours).

Posting hours (UTC) — busiest: 11:00

00:0012:0023:00

Languages: English (38) · Dutch (1) · Finnish (1)

Avg boosts / post: 1.8

Top of the latest posts

  • #EPA Expected to Erase Limits on #Climate #Pollution From #PowerPlants. Generation of #electricity is the second largest source of #carbondioxide and other planet-warming #gases in the United States. #climatecrisis #fossilfuels #pollution #

    beSpacific@[email protected]♥ 1↻ 52026-09-14 12:20 UTCView post →
  • 💁🏻‍♀️ NEW: 🚀🛰️ #Astronauts on months long missions cannot rely on stored #oxygen canisters because they are too heavy and expensive to launch. Instead the #ISS uses advanced #engineering to recycle its life support resources. This anima

    TKSST • seethis.tv 🌈🪐✨@[email protected]♥ 1↻ 12026-07-08 18:26 UTCView post →
  • A Startup Wants to Power Data Centers With ‘Supercritical’ Carbon Dioxide https://fed.brid.gy/r/https://www.wired.com/story/startup-power-data-centers-supercritical-co2/

    WIRED - The Latest in Technology, Science, Culture and Business [Unofficial]@[email protected]♥ 0↻ 22026-09-23 11:00 UTCView post →

What “carbondioxide” means

Wikipedia

Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at normally-encountered concentrations it is odorless. As the source of carbon in the carbon cycle, atmospheric CO2 is the primary carbon source for life on Earth. In the air, carbon dioxide is transparent to visible light but absorbs infrared radiation, acting as a greenhous

“Carbon dioxide” on Wikipedia (CC BY-SA) →

#carbondioxide across platforms

every network with a public tag surface

Follow #carbondioxide straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/carbondioxide