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French climate marches: An-Nahar says 'thousands' took part, Mediapart gives the organisers' 100,000

Marchers in about 250 French towns asked for climate plans paid for by taxing the superprofits of fossil-fuel and arms companies and the largest fortunes. The two reports we hold give very different crowd sizes. Neither gives a police or independent count.

Marche pour le climat: «On veut vivre, pas survivre»
Marche pour le climat: «On veut vivre, pas survivre» as published by Mediapart · seen at Mediapart
Economy France

The crowd. An-Nahar says "thousands" marched across France on Saturday. It says "a few thousand" gathered at Place de la République in Paris from 5pm. It gives no source for either figure. Mediapart says 100,000 people marched and attributes the figure to the organisers. Neither report carries a police count.

An-Nahar Mediapart
Crowd "thousands", no source given 100,000, per organisers
Places about 260 actions, per the organisers' website more than 250 towns, per organisers
Who would pay fossil-fuel and arms superprofits, the very rich not in the report we hold
Framing record heat and fires heatwaves, fires, the coming presidential election

The demand. An-Nahar says the organisers want plans for emergencies, for adapting to a hotter climate and for cutting emissions. Taxes on the superprofits of fossil-fuel and arms companies would pay for them, plus a tax on the fortunes of the very rich. We hold Mediapart's report only as a short summary, and it does not mention the tax.

The voices. An-Nahar quotes three marchers by name and age: a mother of two, a retired woman and a farmer. It says Marine Tondelier, the Greens' presidential candidate, marched in Arras.

What is not settled. - How many people marched. The organisers say 100,000. We hold no police or independent figure. - How many places held marches. The figure of about 250 to 260 also comes only from the organisers. - How many died in the heat. An-Nahar says Greta Thunberg put France's heatwave deaths this summer at more than 8,000 in a social media post. We hold no official toll.

What this is about. Climate campaigners marched across France to demand that the state pay for climate protection by taxing company superprofits and the largest fortunes.

How it got here. France hosted the talks that produced the Paris Agreement in 2015. Under that treaty, governments pledged to limit global warming. Since 2018, school strikes and "marches for the climate" have become a regular form of protest in France and across Europe. Who pays for the move away from fossil fuels has been a live fight in France since at least 2018. That year a rise in fuel tax set off the "gilets jaunes" (yellow vests) protests. Also in 2018, France replaced its wealth tax on all assets with a narrower tax on property. Taxing the very rich has come back into French politics many times since. In 2022, Russia's full-scale invasion of Ukraine drove energy prices up. The European Union then brought in a temporary levy on the surplus profits of energy companies. That kind of levy is what "windfall tax" means.

Who is involved. The first actors are the marchers and the group that called the marches. An-Nahar says the marches were called "for the climate, for life, for peace and for social justice". The Greens are involved too: their presidential candidate, Marine Tondelier, marched in Arras. So is the government. An-Nahar says the minister for ecological transition, Monique Barbut, is due to present a national plan for adapting to climate change on 30 September.

What is at stake. France elects a president in 2027, and An-Nahar dates the vote to May. Emmanuel Macron cannot stand again after two terms. The candidates will be asked how climate spending should be paid for: with new taxes on profits and wealth, with cuts elsewhere, or not at all.

Where it stands. The marches took place on Saturday 26 September, after a summer of record heat and fires in Western Europe. The adaptation plan is due on Wednesday. The reports we hold carry no government response to the tax demands.

What is being argued about

  • How many marched: 'thousands' or the organisers' 100,000
  • Taxing the superprofits of fossil-fuel and arms companies to pay for climate plans
  • A tax on the fortunes of the very rich
  • Climate as an issue in the 2027 presidential election
Two reports, one marchSide by side
OutletCrowdSource of crowd figurePlacesTax demand reported?
An-Nahar"thousands"; "a few thousand" in Parisnone givenabout 260 actions, per the organisers' websiteYes: fossil-fuel and arms superprofits, and the very rich
Mediapart100,000the organisersmore than 250 towns, per organisersNot in the report we hold
Neither report gives a police or independent crowd count.
Sources An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times → M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times →
Saturday's marches, and what comes nextTimeline
  1. 2026-09-2617:00 An-Nahar, local time of the Paris gathering Marchers in Paris Gather at Place de la République "a few thousand", per An-NaharNo source given for the figure
  2. 2026-09-2618:32 UTC Mediapart publication time Mediapart Reports 100,000 people in more than 250 towns 100,000per the organisers
  3. 2026-09-2618:48 UTC An-Nahar publication time An-Nahar Reports 'thousands' across about 260 actions, and the tax demands about 260 actionsevents counted from the organisers' website
  4. 2026-09-30— no time published Monique Barbut, minister for ecological transition Due to present a national climate adaptation plan to the governmentas reported by An-Nahar
Times are as published. The 30 September plan is scheduled, not yet presented.
Sources An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times → M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times →
The bias in this coverageBias

'Thousands' or 100,000: neither figure comes from outside the march

One report gives the organisers' 100,000 and the other says thousands without a source. Neither carries a police or independent count. Both counts of events, about 260 and more than 250, also come from the organisers.

0 reports giving an independent crowd count 2 reports relying on organisers' figures

The windfall tax appears in one report

Only one report says the marchers want fossil-fuel and arms profits taxed. That report also cites more than 8,000 heat deaths, but through an activist's post and not an official figure.

1 reports carrying the tax demand 0 reports with an official death figure
Scored without the mastheads. Where the two passes differ, both are kept.
Sources An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times → M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times →

Claims and verdicts

unverified Organisers want climate plans paid for by windfall taxes on fossil-fuel and arms companies and a wealth tax on the very rich.
Only An-Nahar sets out these demands. Mediapart's report, as we hold it, does not mention them.
Checked against 1 source:
An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times →
unverified 100,000 people joined climate marches across France.
Mediapart gives 100,000 and attributes the figure to the organisers. An-Nahar says only 'thousands' took part and 'a few thousand' in Paris, and we hold no police or independent count.
Checked against 2 sources:
M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times → An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times →
unverified Marches were held in more than 250 places across France.
The two reports are close: An-Nahar says about 260 events and Mediapart says more than 250 towns. Both take the number from the organisers, so it is one account.
Checked against 2 sources:
An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times → M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times →

Who wrote it

E Estelle Levresse Mediapart
What the bias passes found in their reporting
Crowd count Gives the organisers' figure of 100,000 and attributes it×1
Crowd size organisers gives the organisers' 100,000 and no police or independent count×1
Headline voice The headline takes the marchers' slogan as its own words×1
Claims we checked that rest on their reporting
2 unverified
From 11 reports we hold under this byline, at Mediapart. Two independent readings, each made without the masthead, a quote attached to every tag. A record, never a rating. Their full record →
L Lucie Delaporte Mediapart
What the bias passes found in their reporting
Crowd count Gives the organisers' figure of 100,000 and attributes it×1
Crowd size organisers gives the organisers' 100,000 and no police or independent count×1
Headline voice The headline takes the marchers' slogan as its own words×1
Claims we checked that rest on their reporting
2 unverified
From 9 reports we hold under this byline, at Mediapart. Two independent readings, each made without the masthead, a quote attached to every tag. A record, never a rating. Their full record →
The bylines on the reports this story is built from. Hover one for what our passes have measured on their reporting. · 1 report we hold carries no byline — we do not invent one.

Coverage, outlet by outlet

An-Nahar
Centre estimate · not a score
An-Nahar 🇱🇧LB · newspaper · independent مسيرات في أنحاء فرنسا تطالب باتخاذ تدابير بشأن المناخ Open this report in The AI Times → Read it at An-Nahar → What we have measured Accused named the accused is named and his age is given ×1Accused named names the accused and gives his age ×1A contested finding relayed with the case still the prime minister's claim carried, with the court proceedings noted in the same sentence ×1Active voice and a toll in the background paragraph, the July strikes get named actors and counted dead — the only counted dead in this story ×1 from 10777 articles we hold · quote attached Outlet profile in The AI Times → — independent
The only report that says who would pay: fossil-fuel and arms companies, through a tax on their superprofits, and the very rich. It quotes three marchers by name and puts the crowd at 'thousands' without a source.
شارك الآلاف في مسيرات اليوم السبت في أنحاء فرنسا للمطالبة باتخاذ تدابير عاجلة بشأن المناخ بعد صيف شهد درجات حرارة قياسية وحرائق.ونُظم نحو 260 تحركاً في البلاد، وفق الموقع الإلكتروني للمبادرة التي دعت إلى المسيرات من أجل المناخ، ومن أجل الحياة، ومن أجل السلام، ومن أجل العدالة الاجتماعية.المطالبيطالب المنظمون بوضع خطط للطوارئ والتكيّف والتخفيف، تُموَّل من فرض ضرائب على الأرباح الفائقة لقطاعي الوقود الأحفوري والصناعات العسكرية، بالإضافة إلى ضريبة على ثروات كبار الأغنياء.وجاءت المسيرات في أعقاب صيف شهد درجات حرارة قياسية في أوروبا الغربية، على خلفية الاحترار المناخي الناجم بشكل رئيسي عن حرق الفحم
Crowd size vague: says 'thousands' with no source, though it sources the count of events to the organisers — “شارك الآلاف في مسيرات اليوم السبت في أنحاء فرنسا”
Figure attributed: the number of events comes from the organisers' website — “ونُظم نحو 260 تحركاً في البلاد، وفق الموقع الإلكتروني للمبادرة”
Cause stated flat: the report states the cause of warming in its own voice, not as someone's claim — “على خلفية الاحترار المناخي الناجم بشكل رئيسي عن حرق الفحم والنفط والغاز”
Death toll via activist: the only death figure comes from an activist's social media post — “في هذا الصيف وحده، توفي أكثر من 8000 شخص في فرنسا بسبب موجة الحر”
Crowd count: Gives only 'thousands' in its own voice, though it cites the organisers for the number of events — “شارك الآلاف”
Whose figure: The death toll appears only in a quote from an activist's social media post — “توفي أكثر من 8000 شخص في فرنسا بسبب موجة الحر”
Voice of the affected: Marchers are named and quoted, with their ages — “ماريون إينيوس (38 عاماً)”
Read it at An-Nahar → https://www.annahar.com/international/europe/351668/مسيرات-في-أنحا-فرنس…
M Mediapart
Left estimate · not a score
Mediapart 🇫🇷FR · digital · Marche pour le climat: «On veut vivre, pas survivre» Open this report in The AI Times → Read it at Mediapart → What we have measured Actor unnamed Says parliament rejected the measures but names no party or vote ×1Agenda: AI leads The headline makes AI the main report on the agenda. ×1Agenda lead Puts AI at the top of the agenda and does not mention tariffs ×1Asserted not attributed Says flat that the island is exposed to Washington's economic appetite, with no source. ×1 from 859 articles we hold · quote attached Outlet profile in The AI Times → —
The only crowd figure: 100,000 people in more than 250 towns, attributed to the organisers. It frames the day around the heatwaves and the coming presidential election.
Découvrez notre application pour mobile & tablette Toutes les plateformes pour suivre et écouter Mediapart Informer la rédaction Contacter le service abonné·es Abonnements professionnels & collectifs Éditions Éditions anglaise et espagnole English Español La Rédaction de Mediapart Rapport d’activité Mentions légales Charte de déontologie Charte de participation CGV Confidentialité Climat — Reportage Après un été éprouvant, rythmé par les vagues de chaleur et les incendies, et à quelques mois de l’échéance présidentielle, les mobilisations pour le climat ont rassemblé 100 000 personnes dans plu
Crowd size organisers: gives the organisers' 100,000 and no police or independent count — “ont rassemblé 100 000 personnes dans plus de 250 communes en France, selon les organisateurs”
Crowd count: Gives the organisers' figure of 100,000 and attributes it — “ont rassemblé 100 000 personnes dans plus de 250 communes en France, selon les organisateurs”
Headline voice: The headline takes the marchers' slogan as its own words — “«On veut vivre, pas survivre»”
Read it at Mediapart → https://www.mediapart.fr/journal/france/260926/marche-pour-le-climat-ve…

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