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Mariana dam disaster

Coordinates: 20°13′53″S 43°26′33″W / 20.23139°S 43.44250°W / -20.23139; -43.44250
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Mariana dam disaster
The village of Bento Rodrigues after the disaster
Mariana dam disaster is located in Brazil
Bento Rodrigues
Bento Rodrigues
class=notpageimage|
Bento Rodrigues in Brazil
Date5 November 2015 (2015-11-05)
LocationGermano mine complex, Mariana, Minas Gerais, Brazil
Coordinates20°13′53″S 43°26′33″W / 20.23139°S 43.44250°W / -20.23139; -43.44250
TypeDam failure
CauseUnknown[1]
ParticipantsSamarco (Vale, BHP Billiton)
Deaths19[2]
Non-fatal injuries16+[1]
Property damageTwo villages devastated,[1] around 200 homes destroyed[3]

The Mariana dam disaster, also known as the Bento Rodrigues or Samarco dam disaster, occurred on 5 November 2015, when the Fundão tailings dam at the Germano iron ore mine of the Samarco Mariana Mining Complex near Mariana, Minas Gerais, Brazil, suffered a catastrophic failure, resulting in flooding that devastated the downstream villages of Bento Rodrigues and Paracatu de Baixo (40 km (25 mi) from Bento Rodrigues), killing 19 people.[4][5] The extent of the damage caused by the tailings dam collapse is the largest ever recorded with pollutants spread along 668 kilometres (415 mi) of watercourses.[6]

The failure of the dam released 43.7 million cubic metres of mine tailings into the Doce River, causing a toxic brown mudflow to pollute the river and beaches near the mouth when it reached the Atlantic Ocean 17 days later.[7][8][9][10] The disaster created a humanitarian crisis as hundreds were displaced and cities along the Doce River suffered water shortages when their water supplies were polluted.

The total impact of the disaster, including the reason for failure and the environmental consequences, are officially under investigation and remain unclear.[11] The owner of the Bento Rodrigues dam, Samarco, was subject to extensive litigation and government sanctions. In 2016, charges of manslaughter and environmental damage were filed against 21 executives, including Samarco's former CEO and representatives from Samarco's owners, Vale and BHP Billiton, on its board of directors. Controversy over the investigation grew after a 2013 report, indicating structural issues in the dam, was leaked.[12][13][14][15]

On 6 November 2024, the President of the Brazilian Supreme Federal Court (STF), Minister Luis Roberto Barroso, granted approval to a R$170bn compensation and repair agreement to repair the damages caused by the collapse of the Fundao dam, in Mariana, signed between the mining companies and the Brazilian government.[16]

Background

[edit]

The Fundão tailings dam was constructed and owned by Samarco, a mining company, near Mariana, a municipality 67 kilometres (42 mi) southeast of Belo Horizonte, in the state of Minas Gerais, Brazil. The tailings dam was built by Samarco to accommodate the waste resulting from the extraction of iron ore taken from extensive Germano mine, located in the Mariana district of Santa Rita Durão. The Fundão dam was constructed in hills near the village and subdistrict of Bento Rodrigues, located 14 kilometres (8.7 mi) north of Mariana city.

Incident

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At approximately 3:30 pm on 5 November 2015, the Fundão dam began to leak. Immediately, a team of outsourced employees was sent to the scene, and they tried to mitigate the leak by deflating part of the reservoir. At around 4:20 pm, a rupture occurred, releasing a large volume of toxic sludge into the Santarém river valley. Bento Rodrigues, which lies 2.5 kilometres (1.6 mi) away in the valley below the dam, was almost entirely flooded by the cascade of toxic water and mud.[17]

The incident rendered Bento Rodrigues completely inaccessible by road, hindering firefighters' rescue efforts. The only available method of transport into or out of the location was via helicopter. There was a school in the area where the flood occurred, and the teachers were able to remove the students before the school was flooded by the toxic sludge.

Other villages and districts in the Gualaxo river valley were also severely affected by the disaster. The midtown area of Barra Longa, a small city located 60 kilometres (37 mi) from Mariana, had residential and commercial buildings flooded by the mud; the district of Gesteira, built on the banks of Gualaxo river, also had houses completely destroyed by the flood; some of the district residents were rescued by helicopter.

Samarco and the neighboring communities did not have a contingency plan or evacuation routes in the event of dam failure. Had such plans existed, residents may have been able to evacuate in a timely manner to more secure regions. Around 600 people were evacuated to Mariana, and troops of the Brazilian Armed Forces were deployed to assist.[1][3]

Impact

[edit]
An abandoned car caught in the mudflow amidst the ruins of Bento Rodrigues

According to a United Nations report, the tailings slurry traveled 620 kilometres (390 mi) downriver, eventually reaching the Atlantic Ocean. Nineteen people were killed, entire fish populations were killed immediately when the slurry buried them or clogged their gills, and the mudflow destroyed 1,469 hectares (3,630 acres) of riparian forest.[18]

Contamination of Rio Doce

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Satellite images of Bento Rodrigues and the Germano mine before and after the disaster, displaying the flooding and pollution of the Doce River

At around 6:30 pm on the day of 5 November, the tailings of iron ore reached the Rio Doce. The river basin has a drainage area of about 86,715 square kilometres, with 86% in Minas Gerais and Espírito Santo. In total, the river covers 230 municipalities that use its bed for subsistence.

The waste also reached the hydroelectric power plant of Risoleta Neves in Santa Cruz do Escalvado within 100 kilometres of Mariana. According to the company that runs the power plant, its functioning was not affected.

On 9 November, the city of Governador Valadares stopped the water intakes due to the mud on the Rio Doce. The next day, a State of Public Calamity was decreed in response to the water shortage in the city. According to analyses carried out in the city, the mud contains greater than acceptable concentrations of heavy metals, substances harmful to health, such as arsenic, lead and mercury.[19]

There are concerns about contamination of the nearby Rio Gualaxo do Norte [pt], a tributary of the Doce River, due to the toxic substances stored at the facility.[1]

Contamination of southern Atlantic Ocean

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Satellite image of the mouth of the Doce River in Linhares, Espírito Santo, where fine waste in suspension reached the southern Atlantic Ocean

On 22 November, fine waste particles in suspension reached the Atlantic Ocean.[20][21]

On 7 January 2016, fine waste particles reached the southern Bahia littoral zone.[22] Environmentalists[who?] are monitoring the impact to the Abrolhos Marine National Park wildlife. The park is considered of vital importance to the Brazilian ecosystem since it hosts the greatest marine biodiversity in the whole southern Atlantic Ocean.[23]

Aftermath

[edit]

Investigation of the causes

[edit]

On the first quarter of November 2015, the Brazilian Chamber of Deputies and the state chambers of Minas Gerais and Espírito Santo each created a special commission to investigate the collapse. According to the media reports, many of the deputies that composed such commissions had received donations from Vale to finance their campaigns. Such donations, up to R$2.6 million are legal, and were reported by the then-candidates to the Brazilian Election Justice. However, critics argued that the deputies' participation was clearly biased.[24][25]

In January 2016, leaked internal documents from 14 months before the disaster revealed that Samarco had been warned about the possibility of the dam collapsing.[26] Joaquim Pimenta de Ávila, an engineer who was regarded as one of the foremost tailing dam engineers in Brazil, had been contracted by Samarco between 2008 and 2012 to design and oversee the construction of the Fundão dam. From 2013, Ávila was hired part-time as a consultant to inspect the dam, and a technical report he wrote from September 2014 lists severe structural problems on the dam (in the form of cracks) and measures to mitigate them, the main one being the construction of a buttress. Ávila had originally designed the dam in 2006, and it was ereced by construction firm Camter. However, construction defects within the dam led to a design change by Camter that allowed for more saturation.[27] Samarco claimed to have implemented all the recommendations from Ávila, and that the dam was in the process of being heightened when the impoundment reached its maximum holding capacity and began to leak. However, Samarco failed to comment specifically about the buttress, and claims that it was never warned about the severity of the structural damages, nor about the imminence of a catastrophic failure.

In August 2016, the report of an investigation panel constituted by Samarco and its shareholders was published online [28] The investigation panel findings indicated that the liquefaction flowsliding resulted from multiple factors, including an increase in the saturation of the tailings due to modifications in the design of the dam and the presence of soft slimes in unintended areas on the left abutment of the dam. Another study indicated that the dam failure could not be predicted based on simple limit equilibrium analyses and that only a complex failure mechanism would explain the dam collapse.[29]

Sanctions to Samarco

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Samarco president Ricardo Vescovi

The Minas Gerais government suspended Samarco's activities immediately after the disaster.[30]

Next, the Brazilian government fined Samarco R$250 million (US$66.3 million) for the incident.[31][32] The fine was preliminary and was expected to be increased if the two companies were found guilty of water pollution and damages.

Succumbing to external pressure, BHP Billiton, together with Vale and Samarco, signed in 2016 an agreement with the Brazilian federal and state authorities. In January 2016, the Brazilian government and Samarco reached an agreement and a fine of R$20 billion (US$4.8 billion) was issued.[33] The penalty did not include compensation to people affected by the disaster, and the cost of recovering the polluted area. By July 2016, BHP made a provision of US$2.3-2.5 billion for costs associated with the compensation agreement between Samarco's shareholders (BHP and Vale) and Brazilian federal, state and municipal authorities.[34]

[edit]

Vale and BHP Billiton own Samarco as a joint venture, with each company possessing a 50% stake.[35] As of 2018, the companies remain in negotiations with Brazilian authorities in efforts to settle out of court.

In March 2016, Samarco agreed to pay US$2.3 billion in compensation. Australia's ABC reported that Samarco and its joint venture partners would "establish a foundation to develop and execute environmental and socio-economic programs to restore the environment, local communities and social conditions of the affected areas."[36]

In June 2016, an AUD$8 billion civil suit which was reinstated by Brazil's Superior Court after the original agreement was suspended. BHP, along with its Samarco joint venture partner Vale, face a separate $55 billion suit lodged by federal prosecutors.[34]

In October 2016 it was reported that Brazilian prosecutors had filed manslaughter and environmental charges against 21 people[37] including top executives of Samarco's owners: BHP Billiton, an Anglo-Australian multinational mining, metals and petroleum company headquartered in Melbourne, Australia and the world's largest mining company, and Vale, the third-largest mining company in the world and the Public Eye People's Worst Company award winner of 2012.[3][38]

In June 2018, Samarco, Vale and BHP signed an agreement to drop a US$7 billion lawsuit and allow two years for the companies to address the greater US$55 billion suit seeking social, environmental and economic compensation.[39]

Class action lawsuits

[edit]

In August 2018, BHP settled a class action suit in the US for US$50 million, with no admission of liability.[40] At the same time, it was facing a class action lawsuit from shareholders in Australia related to the dam failure[41] and losses incurred by shareholders following company disclosures to the market regarding the safety of the dam. The class action is expected to be one of the largest in Australian history, with 30,000 BHP shareholders involved, with a combined shareholding of 330 million shares, valued at over AU$10 billion (at 30 October 2018).[42]

In November 2018, UK-based legal firm SPG Law, now Pogust Goodhead, filed a US$5 billion group action in the High Court of Justice at Liverpool under Brazilian law against BHP Billiton on behalf of 235,000 Brazilian individuals and organizations, including municipal governments, utility companies, indigenous tribes and the Catholic Church.[43] The lawsuit is one of the biggest legal claims ever filed in a British court.[44] The case, which has been the subject of jurisdictional challenge, was delayed due to the COVID-19 pandemic.[45]

In November 2020, in the High Court sitting in Manchester, the claims were struck out on the grounds that they amounted to an abuse of the process of the court.[46] On 27 July 2021, the Court of Appeal granted the claimants leave to appeal against the November 2020 ruling.[47][48] In July 2022, the Court of Appeal allowed the appeal opening the way for the case to proceed in the English courts.[49][50] In 2023, it was announced that Pogust Goodhead had secured a £450m investment firm from US-Based Gramercy Funds Management to help fund the Mariana case and "resolve existing cases successfully".[51]

In March 2023, it was reported that Australian mining giant BHP faces an enlarged class-action lawsuit seeking damages of up to $65 billion for its role in the fatal collapse of a mine waste dam in Brazil in 2015, with the number of claimants more than tripling to 700,000. Approximately 100,000 claimants subsequently exited the claim.[52] Of the remaining 600,000 claimants, 200,000 had already received a total of US$2 billion in compensation through Brazilian proceedings.[53] In April 2024, it was reported that payouts from the court action were to be delayed past the original claimant forecasts, with the case now expected to be completed in 2027.[54] During the trial it emerged that claims had been filed for oily hair, chickenpox, Alzheimer's disease, and flowers not being as beautiful as before.[55] Lawyers fees in the case are projected to exceed US$680 million.[56] BHP continues to deny the claim in its entirety.[57] In October 2024 the mining companies they settled with the Brazilian government for 132 billion Reais. In November the Federal Supreme Court approved the settlement, requesting courts in England and the Netherlands were informed that 300,000 people now had access to settlement in Brazil.[58]

Government Settlement Agreement

[edit]

On October 25th 2024, mining companies BHP and Vale signed an agreement with the Brazilian Government to pay nearly $30bn in compensation over the Mariana Dam collapse. The terms include $18bn in funding for public authorities and $5.6bn in additional compensation, resettlement, and environment restoration. The signing ceremony was attended by Brazilian President Luiz Inacio Lula de Silva.[59]

There is speculation that the agreement could end more than one hundred lawsuits against the mining companies in Brazil, and possibly limit legal action abroad. Vale's vice-president for corporate and external affairs, Alexandre D'Ambrosio, indicated that the compensation deal undermines the foundation of the London case.[60]

On November 6, 2024, the Federal Supreme Court (STF) unanimously validated the agreement reached by the federal government, the states of Minas Gerais, Espírito Santo and mining companies to repair the damage caused by the Mariana dam collapse, in Minas Gerais.[61]

Reactions

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National

[edit]

The city immediately began a campaign to collect donations for the homeless, stressing the urgent need for donations of toothbrushes, towels, glasses, cutlery, disposable dishes and especially drinking water. Also a bank account was opened to receive cash donations.[62] All municipal events since the day of the disaster until 16 November were canceled. The note from the Mayor's Office said that "at this point, the city of Mariana is focused on rescue work and support".

The Federal Government, through the Minister's Chief of Staff, Jaques Wagner, put the Federal forces at the disposal of the State of Minas Gerais. The Minister came into contact with the Governor, Fernando Pimentel, to put the Federal forces. Jaques Wagner announced President Dilma Rousseff by accident before loading it back from a trip to Brazil to Brasília.[63]

The Roman Catholic Archdiocese of Mariana said: "We express our most heartfelt sympathy to the families who have had their homes and property destroyed and those who mourn the death of their loved ones, victims of this disaster of incalculable proportions. The point is to unite efforts to minimise the distress and suffering of all those affected by this tragedy. We call upon our communities to provide support to victims. [...]. We pray to God to strengthen and comfort, with your generous love, all who have been affected by this accident". The Diocese of Itabira and Three Lakes and the East Regional II CNBB, comprising the territories of the States of Minas Gerais and Espírito Santo, also issued notes of solidarity with those affected by tragedy.

A football match between Cruzeiro and São Paulo on 8 November in Belo Horizonte hosted a collection of resources to help the victims.[64]

International

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A United Nations report shows evidence of the disaster, "50 million tons of iron ore waste, contained high levels of toxic heavy metals and other toxic chemicals in the river Doce".[65] In fact, the scale of the environmental damage is the equivalent of 20,000 Olympic swimming pools of toxic mud waste contaminating the soil, rivers and water system of an area covering over 850 km.[65] The authors stressed that actions taken by the Brazilian government, Vale and BHP Billiton to prevent harm were insufficient.[65] On the other hand, BHP claims that although heavy metals were found, the difference in concentration was found not to differ significantly from that found in the 2010 geologic survey.[66] The company said the tailings that entered the Rio Doce were composed of clay and silt from the processing of earth containing iron ore, which is naturally abundant in the region.[66]

The French spokesman for the Ministry of Foreign Affairs, and Romain Nadal expressed their condolences. A spokesman commented: "We were told with emotion of the disruption of the mining dams in the State of Minas Gerais in the Southeast region."

American band Pearl Jam, who performed in Belo Horizonte on 20 November 2015, promised to donate the proceeds of the concert to victims of the disaster. Singer Eddie Vedder gave a speech calling for harsh punishments to be applied to Samarco and others involved.[67]

See also

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Notes and references

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  1. ^ a b c d e "Dam burst at mining site devastates Brazilian town". Al Jazeera English. AFP and Reuters. 6 November 2015. Retrieved 6 November 2015.
  2. ^ "Brazil dam burst: Six months on, the marks left by sea of sludge". BBC News. 5 May 2016.
  3. ^ a b c Willis, Andrew; Stringer, David (7 November 2015). "Dam Owned by Iron-Ore Giants Bursts, Flooding Brazil Valley". Bloomberg. Retrieved 7 November 2015.
  4. ^ Trajano, Humberto (3 September 2016). "Quase 3 anos após tragédia de Mariana, projeto para novo distrito de Paracatu de Baixo é aprovado". G1 (in Brazilian Portuguese). Belo Horizonte: Globo Comunicação e Participações S.A. Retrieved 8 November 2019.
  5. ^ "Brazil dam burst: Six months on, the marks left by sea of sludge". BBC News. 5 May 2016.
  6. ^ Fonseca do Carmo, Flávio; et al. (July–September 2017). "Fundão tailings dam failures: the environment tragedy of the largest technological disaster of Brazilian mining in global context". Perspectives in Ecology and Conservation. 15 (3). Elsevier: 145–151. Bibcode:2017PEcoC..15..145C. doi:10.1016/j.pecon.2017.06.002.
  7. ^ "Boechat: Mariana é a maior tragédia ambiental do Brasil". TV UOL (in Portuguese). 9 November 2015. Retrieved 30 November 2015.
  8. ^ "Acidente na barragem de Samarco é "a maior tragédia ambiental" do Brasil". Rede Angola (in Portuguese). 21 November 2015. Retrieved 30 November 2015.
  9. ^ "Sebastião Salgado: "É a maior tragédia ambiental do Brasil. Mas tem solução"". El País (in Portuguese). 19 November 2015. Retrieved 30 November 2015.
  10. ^ Rifai, Ryan (22 November 2015). "Toxic sludge reaches Atlantic after Brazil dams burst". Al Jazeera. Retrieved 30 November 2015.
  11. ^ "Anger rises as Brazilian mine disaster threatens river and sea with toxic mud". The Guardian. London. 22 November 2015. Retrieved 24 December 2015.
  12. ^ Dunckley, Mathew (13 November 2015). "BHP Billiton rebuts Samarco dam report". The Sydney Morning Herald. Retrieved 13 November 2015.
  13. ^ Phillips, Dom (25 November 2015). "Brazil's mining tragedy: was it a preventable disaster?". The Guardian. London. Retrieved 24 December 2015.
  14. ^ Phillips, Dom; Brasileiro, Davilson (1 March 2018). "Brazil dam disaster: firm knew of potential impact months in advance". The Guardian. London. Retrieved 2 April 2019.
  15. ^ Timson, Lia (4 March 2019). "'Profit before people': documents allege BHP execs were warned over deadly dam". Sydney Morning Herald. Retrieved 2 April 2019.
  16. ^ "STF referenda acordo para reparação de danos causados pela tragédia em Mariana (MG)". Retrieved 7 November 2024.
  17. ^ Pereira, Cássio Cardoso; Fernandes, Stephannie; Fernandes, Geraldo Wilson; Goulart, Fernando Figueiredo (20 August 2024). "Eight years after the Fundão tailings dam collapse: chaos on the muddy banks". Nature Conservation. 56: 77–82. doi:10.3897/natureconservation.56.133441. ISSN 1314-3301.
  18. ^ United Nations, Mine tailings storage: Safety is no accident, Report summary, circa 2015. Accessed June 2018.
  19. ^ "Arsenic and mercury found in river days after Brazil dam burst". The Guardian. London. 25 November 2015. Retrieved 8 August 2017.
  20. ^ "Samarco mine tragedy: Toxic mud from Brazil mine spill reaches Atlantic Ocean". ABC News. Australian Broadcasting Corporation. 22 November 2015. Retrieved 30 November 2015.
  21. ^ Robson, Paul (2017). "The river is dead - The impact of the catastrophic failure of the Fundão tailings dam" (PDF). London Mining Network. London. Retrieved 8 November 2019.
  22. ^ Hédio Júnior (7 January 2016). "Sinais de lama chegam à Bahia, perto de Abrolhos e Trancoso; Ibama notifica Samarco" [Remains of mud reach Bahia near Abrolhos and Trancoso; Ibana notifies Samarco] (in Portuguese). Estado de Minas. Retrieved 8 January 2016.
  23. ^ "Parque Nacional Marinho dos Abrolhos" [Abrolhos Marine National Park] (in Portuguese). Brazilian Ministry of Tourism. Archived from the original on 8 July 2015. Retrieved 8 January 2016.
  24. ^ "Vale doou à metade dos deputados da Comissão do Rio Doce. Empresa doou R$388,7 mil para os deputados estaduais da Comissão" [Vale has donated to half of the deputies of the commission] (in Portuguese). G1. 9 November 2015.
  25. ^ "Deputados que vão apurar tragédia em Mariana receberam R$ 2,6 mi da Vale". noticias.uol.com.br.
  26. ^ Paul Kiernan (17 January 2016). "Samarco Warned of Problems at Dam, Engineer Says". The Wall Street Journal. Retrieved 22 January 2016.
  27. ^ "EMERJ" (PDF).
  28. ^ "Home". THE FUNDÃO TAILINGS DAM INVESTIGATION. Retrieved 5 July 2020.
  29. ^ Gitirana Jr., Gilson de Farias Neves; Souza, João Paulo Tavares; Moura, Nícolas Rodrigues (12 May 2020). "Análise 2D e 3D da Estabilidade da Barragem de Fundão". Revista Eletrônica de Engenharia Civil. 15 (2): 123–136. doi:10.5216/reec.v16i1.53450. ISSN 2179-0612.
  30. ^ "Brazil mining company Samarco suspended over dams burst". BBC News. British Broadcasting Corporation. 9 November 2015. Retrieved 11 November 2015.
  31. ^ "Vale and BHP fined for deadly Brazilian dam burst". BBC News. British Broadcasting Corporation. 13 November 2015. Retrieved 13 November 2015.
  32. ^ "Eine schlammbraun gewordene Lebensader" [A mud brown become lifeline] (in German). 27 November 2015. Retrieved 30 November 2015.
  33. ^ "Samarco, Brazil move closer on $4.8B dam-disaster settlement". CNBC. 22 January 2016. Retrieved 22 January 2016.
  34. ^ a b "BHP Billiton's Samarco costs top US$3 billion". ABC News. 28 July 2016. Retrieved 7 November 2018.
  35. ^ Safari, Maryam; Bicudo de Castro, Vincent; Steccolini, Ileana (9 June 2020). "The interplay between home and host logics of accountability in multinational corporations (MNCs): the case of the Fundão dam disaster" (PDF). Accounting, Auditing & Accountability Journal. 33 (8): 1761–1789. doi:10.1108/AAAJ-03-2019-3912. ISSN 0951-3574. S2CID 225716933.
  36. ^ "BHP-owned Samarco agrees to pay Brazil Government $3.2 billion for dam collapse". ABC News. 3 March 2016. Retrieved 7 November 2018.
  37. ^ "Samarco staff and BHP executives charged with homicide over Brazil dam spill". ABC News. 21 October 2016. Retrieved 7 November 2018.
  38. ^ Rapoza, Kenneth (30 January 2012). "'Worst Company In The World' Award Goes To..." Forbes. Retrieved 30 November 2015.
  39. ^ "BHP signs deal to suspend $55b Samarco lawsuit for two years". ABC News. 26 June 2018. Retrieved 7 November 2018.
  40. ^ "BHP to settle US Samarco class action for $US50m". Australian Mining. 9 August 2018. Retrieved 7 November 2018.
  41. ^ "BHP says Brazil court approves Samarco settlement". Reuters. Retrieved 7 November 2018.
  42. ^ Danckert, Sarah (30 October 2018). "BHP class action heats up as 30,000 shareholders sign up". The Sydney Morning Herald. Retrieved 7 November 2018.
  43. ^ Ridley, Kirstin; Lewis, Barbara (7 May 2019). "BHP faces $5 billion claim over 2015 Brazil dam failure". Reuters. London. Retrieved 3 May 2020.
  44. ^ Gluyas, Alex (8 May 2019). "BHP slapped with record lawsuit over Brazil dam collapse". Australian Mining. Melbourne. Retrieved 8 November 2019.
  45. ^ "Muncipio De Mariana & Ors v BHP Group Plc [2020] EWHC 928 (TCC) (20 April 2020)". www.bailii.org.
  46. ^ "Muncipio De Mariana & Ors v BHP Group Plc [2020] EWHC 2930 (TCC) (9 November 2020)". www.bailii.org.
  47. ^ Thicknesse, Edward (27 July 2021). "Court of Appeal reopens landmark £5bn lawsuit against BHP for Brazil dam collapse". City A.M. London.
  48. ^ Ridley, Kirstin (27 July 2021). "London judges reverse course to reopen $7 bln Brazil dam lawsuit against BHP". Reuters. Archived from the original on 27 July 2021.
  49. ^ Weston, Phoebe (8 July 2022). "Victims of Brazil's worst environmental disaster to get day in UK courts". The Guardian.
  50. ^ "Municipio De Mariana & Ors v BHP Group (UK) Ltd & Anor [2022] EWCA Civ 951 (08 July 2022)". England and Wales Court of Appeal (Civil Division). 8 July 2022. Retrieved 10 October 2022.
  51. ^ "Gramercy to generate $90m annually from 2023 Pogust Goodhead deal". Hedgeweek. 23 May 2024. Retrieved 10 October 2024.
  52. ^ "BHP accuses class action law firm of 'losing' 100,000 claimants". Australian Financial Review. 30 June 2024. Retrieved 13 September 2024.
  53. ^ Erskine, Eve (30 September 2024). "Revealed: The cases to watch in October". The Lawyer. Retrieved 2 October 2024.
  54. ^ "Ação sobre vítimas de Mariana só será concluída em 2027". Poder360 (in Brazilian Portuguese). 23 April 2024. Retrieved 13 September 2024.
  55. ^ "Chickenpox and faded flowers: BHP challenges size of $70b lawsuit". Australian Financial Review. 24 October 2024. Retrieved 1 November 2024.
  56. ^ "Lawyer fees for class action against BHP top $680 million". Australian Financial Review. 8 August 2024. Retrieved 13 September 2024.
  57. ^ "BHP Brasil remains fully committed to supporting the extensive ongoing remediation and compensation efforts in Brazil" [1]
  58. ^ "STF referenda acordo para reparação de danos causados pela tragédia em Mariana (MG)". Retrieved 7 November 2024.
  59. ^ "Mining giants sign $30bn settlement for Brazil 2015 dam collapse". BBC News. 25 October 2024. Retrieved 1 November 2024.
  60. ^ Paraguassu, Lisandra (25 October 2024). "Brazil seals $30 billion compensation deal with BHP, Vale over 2015 dam collapse". Reuters. Retrieved 1 November 2024.
  61. ^ Márcio Falcão; Fernanda Vivas (6 November 2024). "STF valida acordo para reparação de danos por rompimento de barragem em Mariana (MG)". G1 (in Portuguese). Retrieved 7 November 2024.
  62. ^ "Prefeitura de Mariana :: Comunicado sobre as doações de donativos" (in Portuguese). Prefeitura Municipal de Mariana. Archived from the original on 9 November 2015. Retrieved 13 November 2015.
  63. ^ "Governo garante apoio à cidade mineira de Mariana, inundada por lama após rompimento de barragens". Portal Brasil (in Portuguese). Retrieved 13 November 2015.
  64. ^ "Cruzeiro arrecadará doações para vítimas de tragédia em Mariana". O Tempo (in Portuguese). Belo Horizonte. 6 November 2015. Archived from the original on 18 July 2018. Retrieved 30 November 2015.
  65. ^ a b c Paul Kiernan (25 November 2015). "Brazil Dam's Failure Flooded Region With Toxic Waste, U.N. Report Says". The Wall Street Journal. Retrieved 27 November 2015.
  66. ^ a b Stephen Letts (26 November 2015). "BHP Billiton denies UN claims Brazil dam disaster mud is 'toxic', damage size of 20,000 Olympic pools". Australian Broadcasting Corporation. Retrieved 28 September 2017.
  67. ^ "Pearl Jam Calls for Justice in Mariana and Promises to Donate Revenue from Tickets to Victims". Folha de S.Paulo. 23 November 2015. Retrieved 30 November 2015.
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