UN weather agency says greenhouse gas levels hit record highs in 2025, with a further rise expected
The World Meteorological Organization says greenhouse gas concentrations hit record highs in 2025, with carbon dioxide averaging 426.8 parts per million, and expects a further rise linked to El Niño.
Left 0 · Centre-left 0 · Centre 2 · Centre-right 1 · Right 1
Blindspot for the left (barely covered by left-leaning outlets)
ContextSources by leanVideoDeep diveFollow the moneyMore coverage
How each side framed it
Left-leaning outlets
No left-rated outlet in our sample covered it.
Centre outlets
Centre-rated outlets headline it: “Greenhouse gases hit record highs, further rise expected with El Niño, UN weather agency says” (Reuters); “Greenhouse gas levels hit new record highs in 2025: UN” (France 24).
Right-leaning outlets
Right-rated outlets headline it: “Greenhouse gas levels set records in 2025, U.N. says, expressing alarm” (CBS News); “U.N.: Carbon dioxide, other emissions reach record high in 2025” (Breitbart).
Context
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Sources by lean
Balanced: the same number of articles from the left, the centre and the right (up to 3 each). The bar above still counts every rated outlet we found. Bias and factual ratings come from Media Bias/Fact Check. How we balance · All ratings.
Left 0
No left coverage found — blindspot
Centre 2
- France 24
Greenhouse gas levels hit new record highs in 2025: UN (paywalled or blocks bots) - Reuters
Greenhouse gases hit record highs, further rise expected with El Niño, UN weather agency says (paywall or login)
Showing 2 from centre and right of 4 rated outlets (L 0 / C 2 / R 2). Capped at 2 because that is all we found on the thinnest side. More coverage
Video
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Deep dive
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Follow the money
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Who owns or funds the outlets covering this story (4 outlets)
| Outlet | Lean | Ownership & funding (MBFC) |
|---|---|---|
| France 24 | Centre | France 24 is owned by France Médias Monde, a state-owned French holding company that supervises and coordinates the activities of the major public media organizations broadcasting or publishing internationally from France. Besides government funding, they also generate revenue through advertising. source |
| Reuters | Centre | In April 2008, the British company Reuters Group was acquired by Thomson Corporation and formed Thomson Reuters. source |
| CBS News | Centre-right | CBS News is owned by Paramount Global, which was formerly controlled by National Amusements, Inc., the holding company of the Redstone family. In 2025, Paramount entered into a merger agreement with Skydance Media, effectively ending the Redstones’ majority control. CBS News generates revenue primarily through advertising and affiliate broadcasting fees..push({}); source |
| Breitbart | Right | After the death of Andrew Breitbart in 2012, Larry Solov became CEO and president of Breitbart News. In 2017, according to Politico, Larry Solov revealed the owner of Breitbart as “himself, founder Andrew Breitbart’s widow, Susie Breitbart, and the Republican mega-donor family, the Mercers.” Further, Solov also stated that he wants “to disclose as little as possible about financial and ownership structure.” source |