Portrait of Greta Thunberg

Photo: Anders Hellberg · CC BY-SA 4.0 · Wikimedia Commons

Born in Sweden · Nationality Swedish — Climate activism / civil disobedience / human rights / Palestine

Greta Thunberg

Documented profile covering 13 controversies, including “2025–2026: arrested in London over placard supporting Palestine Action-linked prisoners, released on bail” and “2025: interception of Madleen en route to Gaza, detention by Israel and deportation”.

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Profile No. 1928 · Updated on 12 October 2026

Portrait of Greta Thunberg

Photo: Anders Hellberg · CC BY-SA 4.0 · Wikimedia Commons

13Documented controversies
15Sources
3 followed by a conviction ·

I. Documented controversies

01

23 December 2025–2026

2025–2026: arrested in London over placard supporting Palestine Action-linked prisoners, released on bail

Investigation

In London, Thunberg was arrested after displaying a placard declaring support for Palestine Action prisoners and opposition to genocide. Police cited section 13 of the Terrorism Act 2000 concerning displays of support for a proscribed organisation. She was released on bail.

Attribution
Directly implicated

Sources · 2

  1. [1]
    Reuters / Investing.comGreta Thunberg released from custody after arrest at UK pro-Palestinian protestNews agencyVery high reliability
  2. [2]
    Amnesty International UKUK: Arrest of Greta Thunberg is 'wrongful and disturbing'NGOHigh reliability

Last verified: 13 September 2026

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02

9–10 June 2025

2025: interception of Madleen en route to Gaza, detention by Israel and deportation

No legal proceedings

Thunberg boarded the Madleen, a Freedom Flotilla Coalition vessel seeking to deliver symbolic aid to Gaza. Israeli forces intercepted the vessel, transferred its passengers to Israel and deported Thunberg to France.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]
    Reuters / BoursoramaGreta Thunberg deported from Israel after Gaza aid ship interceptionNews agencyVery high reliability

Last verified: 13 September 2026

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03

October 2025

2025: Global Sumud Flotilla — detention and deportation by Israel, followed by allegations of mistreatment

No legal proceedings

Thunberg participated in the Global Sumud Flotilla bound for Gaza. Israel intercepted the flotilla, detained and subsequently deported hundreds of participants, including Thunberg. Upon returning, she and other activists alleged humiliating or inhumane detention conditions.

Attribution
Directly implicated

Sources · 1

  1. [1]

Last verified: 13 September 2026

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04

17 October 2023–2 February 2024

2023–2024: prosecution after London protest against Energy Intelligence Forum, followed by acquittal

Acquitted / conviction overturned

Thunberg was arrested and subsequently prosecuted in London following a protest against a conference of oil and gas executives. She appeared in court for allegedly breaching a condition imposed by police under the Public Order Act.

Attribution
Accused
Course of the proceedings
  1. Formally charged — Formal charge before the current outcome

Sources · 2

  1. [1]
    Reuters / ThePrintClimate activist Greta Thunberg acquitted after London protest trialNews agencyVery high reliability
  2. [2]

Last verified: 13 September 2026

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05

6 April 2024

2024: detained twice on same day in The Hague during Extinction Rebellion actions

No legal proceedings

In The Hague, Thunberg participated in an attempt to block the A12 motorway and then in another road protest. Police detained her twice during the day before releasing her.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]

Last verified: 13 September 2026

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06

8 May 2024

2024: convicted and fined for blocking Swedish Parliament entrance

Conviction

A Swedish court convicted Thunberg of disobeying police orders during two actions on 12 and 13 March 2024 that blocked entrances to Parliament in Stockholm. She was fined 6,000 kronor.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]

Last verified: 13 September 2026

Add to this entry

07

17 January 2023

2023: removed and identity checked during protest against Lützerath lignite mine

No legal proceedings

During a protest against expansion of the Garzweiler lignite mine near Lützerath, German police moved Greta Thunberg and other activists away from an area considered dangerous near the mine. She was detained briefly for an identity check and then released.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]
    Reuters / EuronewsGreta Thunberg detained at German coal mine protestNews agencyVery high reliability

Last verified: 13 September 2026

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08

February–March 2023

2023: Fosen — removed by police during blockade of Norwegian ministries with Sámi activists

No legal proceedings

Thunberg joined Sámi activists protesting the continued operation of wind farms at Fosen despite a Norwegian Supreme Court ruling that the project had violated reindeer herders' cultural rights. Protesters blocked several ministries and were removed by police.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]
    Reuters / Investing.comThunberg, other protesters block Norway energy ministry over wind farmsNews agencyVery high reliability

Last verified: 13 September 2026

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09

24 July 2023

2023: first Malmö conviction for disobeying police during oil terminal blockade

Conviction

A Malmö court convicted Thunberg for refusing to obey a police order to leave a demonstration blocking access to an oil terminal in June 2023. She acknowledged the material facts but argued that she had acted out of necessity in response to the climate emergency.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    Reuters / BoursoramaUn tribunal suédois condamne Greta Thunberg à une amendeNews agencyVery high reliability

Last verified: 13 September 2026

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10

11 October 2023

2023: second Malmö conviction for another act of police disobedience on day of first conviction

Conviction

After being convicted in July for an earlier action, Thunberg took part in another blockade of the Malmö oil terminal on the same day and refused to leave. In October, a court convicted her a second time and fined her 4,500 Swedish kronor.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    Reuters / InquirerSwedish court fines Greta Thunberg again for disobeying police ordersNews agencyVery high reliability

Last verified: 13 September 2026

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11

August 2023

2023: withdrawal from Edinburgh International Book Festival and "greenwashing" accusation against Baillie Gifford

No legal proceedings

Greta Thunberg cancelled her appearance at the Edinburgh International Book Festival, arguing that sponsor Baillie Gifford invested in the fossil fuel industry and contributed to greenwashing in that sector.

Attribution
Directly implicated

Last verified: 13 September 2026

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12

28 September 2021

2021: "blah blah blah" speech in Milan accuses leaders of empty climate promises

No legal proceedings

At the Youth4Climate summit in Milan, Greta Thunberg mocked world leaders' slogans with the repeated phrase "blah blah blah", arguing that climate promises were not followed by sufficient action.

State of the evidence
Documented
Attribution
Personally implicated

Sources · 1

  1. [1]
    Thomson Reuters Foundation / ReutersGreta Thunberg mocks world leaders' words on climate change: 'Blah, blah, blah'News agencyVery high reliability

Last verified: 13 September 2026

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13

August 2019

2019: "zero-carbon" Atlantic sailing challenged over flights required by team

No legal proceedings

To reach New York without flying, Greta Thunberg crossed the Atlantic aboard Malizia II. The journey was presented as having a very low carbon footprint but sparked controversy when it emerged that several crew members would have to fly to arrange crew changes around the crossing.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]

Last verified: 13 September 2026

Add to this entry

II. Constellation of documented links

  • Linked profile (portrait or initials) — click to open it
  • Line width: number of documented references
  • Hover over or tap a line: controversies and sources

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

List of documented links (5)
  1. Andrew Bolt1 documented reference
  2. Felix Baumgartner1 documented reference
  3. Joe Kaeser1 documented reference
  4. Maxime Bernier1 documented reference
  5. Roger Federer1 documented reference

III. Has something changed?

A new court decision, a missing source, a mistake? Tell us what should be updated: every request is read by the editorial team.

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