Vale, the Brazilian mining company responsible for two deadly dam collapses since 2015, has another dam that’s at “imminent risk of rupture,” a government audit warns.
The Xingu dam at Vale’s Alegria mine in Mariana municipality, Minas Gerais state, has been retired since 1998, but excess water in the mining waste that it’s holding back threatens to liquefy the embankment and spark a potentially disastrous collapse.
Liquefaction also caused the collapse of a Vale tailings dam in 2019 in Brumadinho municipality, also in Minas Gerais, that killed nearly 300 people; the 2015 collapse of another Vale dam, in Mariana in 2015, caused extensive pollution and is considered Brazil’s worst environmental disaster to date.
Vale has denied the risk of a collapse at the Xingu dam and says it continues to monitor the structure ahead of its decommissioning; regulators, however, say the company still hasn’t carried out requested measures to improve the structure’s safety, and have ordered an evacuation of the immediate vicinity.
This article originally appeared in Mongabay.
Featured image: Vale’s Xingu mining complex in Mariana. Image by Google.
A dam holding back mining waste from Brazilian miner Vale is at risk of collapsing, a government audit says. The same company was responsible for two tailings dam collapses since 2015 that unleashed millions of gallons of toxic sludge and killed hundreds of people in Brazil’s southeastern state of Minas Gerais.
The retired Xingu dam at Vale’s Alegria iron ore mine in Mariana — the same municipality where a Vale tailings dam collapsed in November 2015 in what’s considered Brazil’s worst environmental disaster to date — is at “serious and imminent risk of rupture by liquefaction,” according to an audit report from the Minas Gerais state labor department (SRT), cited by government news agency Agência Brasil. The SRT did not immediately reply to Mongabay’s emailed requests for comment; it also did not answer any phone calls.
In the May 20 audit report, only released last week, the SRT said the Xingu dam “does not present stability conditions.” “It is, therefore, an extremely serious situation that puts at risk workers who perform activities, access or remain on the crest, on the downstream slopes, in the flood area and in the area on the tailings upstream of the dam,” the document says.
In a statement, Vale denied the imminent risk, saying the dam “is monitored and inspected daily.” It said the structure’s conditions and safety level remain unchanged, rated level 2 on a three-point scale.
The 2015 collapse of the Fundão tailings dam belonging to Samarco, a joint venture between Vale and Anglo-Australian miner BHP Billiton, killed 19 people in the village of Bento Rodrigues, burying them in toxic mud, and flushing mining waste into rivers that affected 39 municipalities across two states. The mining waste eventually flowed more than 650 kilometers (400 miles) from its source to the Atlantic Ocean.
The district prosecutor’s office in Mariana told Mongabay that the Minas Gerais state prosecutor-general has requested the National Mining Agency (ANM) to assess the real risk of the dam rupture. “Any irregularity in the change in the classification of the structure will be evaluated after the inspection carried out by the ANM and, if necessary, with subsequent investigations,” the district prosecutor’s office said.
The ANM rated the Xingu dam’s safety at level 2 in a September 2020 assessment, after requesting Vale to improve the structure. Vale has fulfilled part of the request, but has sought a deadline extension for other repair works, without major changes in the structure, according to the ANM’s website.
In its most recent inspection, on May 5, ANM identified structural problems where no corrective measures had been implemented, according to its website. By then, the ANM considered the potential environmental impact “relevant” and the socioeconomic impact “medium,” given the concentration of residential, farming and industrial facilities located downstream of the dam.
Vale ceased dumping mining waste in the Xingu dam in 1998, but keeps workers on site to monitor the dam’s stability until it’s fully decommissioned. The decommissioning plans is in place but hasn’t been carried out yet, according to Ronilton Condessa, director of the Mariana mining workers’ union, Metabase. No timeline has been given for the decommissioning; a similar structure, the Doutor dam at Vale’s Timbopeba mine in neighboring Ouro Preto municipality, will take up to nine years.
Last week, Vale announced the suspension of train operations to the Mariana complex where its Alegria mine is located, after an evacuation order from labor auditors. The area in the immediate vicinity of the mine, known as the self-rescue zone, remains evacuated. Work at both the Timbopeba and Alegria mines has been halted.
Condessa said that because the Xingu dam is located inside the mining complex, workers continue to pass by it daily on their way to other mines that are still active.
Vale has scheduled a meeting with workers from the dam for June 16 to explain the current situation, according to Condessa. “The evacuation orders look like a preventive measure, but we still need to see a technical study in order to properly evaluate the risk,” he told Mongabay in a phone interview.
The Minas Gerais state civil defense agency said the evacuation of the self-rescue zone was ordered on a “preventive basis to protect the lives of people living downstream of the dam.”
“In collaboration with the SRT, Vale is taking measures to continue to guarantee the safety of workers, in order to resume activities,” Vale said in a June 4 statement.
A two-and-a-half-hour drive west of the Alegria mine in Mariana is the municipality of Brumadinho. This was the site in 2019 of Brazil’s deadliest mining disaster, when a tailings dam at Vale’s Córrego do Feijão iron ore mine collapsed, killing nearly 300 people. The cause of the dam’s failure was attributed to a process known as liquefaction, in which excess water weakens the dam’s embankment. This is the same risk recently identified at the Xingu dam at Vale’s Alegria mine.
SIXTEEN MILLION YEARS AGO, a volcano erupted over the Yellowstone hotspot near the present-day border of Oregon and Nevada. The blast expelled 1,000 cubic kilometers of rhyolite lava as the land collapsed into a 30-mile-long, keyhole-shaped caldera. Magma, ash, and other sediments entered the keyhole, and for the next million years the clay-rich land rose and reformed like bread dough in a proofing drawer. Water mixed with the clay, bringing to Earth’s surface a swirl of chemical elements like uranium, mercury, and another metal that, when isolated and cut, shines silvery white — lithium.
Today, above ground, the McDermitt Caldera is a remote landscape of rocky outcrops, high-desert plateaus, and meadows of wild rye. As in much of the Great Basin, desert plants fill the “currents, tides, eddies, and embayments” of this “sagebrush ocean,” as writer Stephen Trimble once described it. Lithium rests beneath this dynamic sea.
On the southwest edge of the caldera, in Humboldt County, Nevada, nestled between the Double H Mountains to the south and the Montana range to the north, Thacker Pass rides the crest of a sagebrush wave. The pass is a corridor for herds of migrating pronghorn and mule deer. Overhead, golden eagles hunt for kangaroo rats. Below, greater sage grouse perform their mating dance. In the nearby springs and drainages, an endemic snail called the Kings River pyrg and the imperiled Lahontan cutthroat trout persist on precious water.
Heavily armed goldminers have launched a series of attacks on the Yanomami community of Palimiú in the northern Amazon.
Hutukara Yanomami Association reports that on May 16, 15 boats full of miners opened fire on the community and hurled tear gas canisters at them. The Yanomami report suffering from burning eyes and choking on the gas.
The attack follows an earlier assault on the same community on May 10, when one Yanomami was wounded, and several miners were injured. Footage filmed by a Yanomami captures the miners opening fire from their boat at a group of Yanomami on the riverbank. Several boats full of miners continued to fire at the Yanomami for the next 30 minutes.
In the chaos of the attack many Yanomami children fled into the forest to hide. Two days later the bodies of two children, aged one and five, were discovered floating in the river where they had drowned.
Eight Yanomami representatives from Palimiú travelled to Boa Vista, the state capital, to denounce the attack and to demand the authorities investigate it. In a press conference held on May 15, they expressed their anger at being abandoned by the state.
Timóteo Palimithëri said: “We are exhausted and barely able to hold out. Please, it’s urgent, don’t you see? The police and FUNAI have to be strong… If the army and police don’t act now many indigenous people will certainly die.”
In a letter to the police, community leaders denounced the terrible impacts of the mining activities: “The goldminers have been here since 2012 and to date, 578 Yanomami have died from poisoning, yet not a single measure has been taken to stop this. They are destroying our rivers, polluting the water, fish and all the animals. We have serious health problems. We can no longer bathe in the river and both adults and children are losing their hair because of the toxic chemicals they pour into the river.”
Since February the community of Palimiú has repeatedly asked the authorities to remove the miners. The miners’ attacks this week were reportedly in response to the refusal by the Yanomami to let them collect fuel, quadbikes and equipment they had left there to supply their illegal mine upstream.
Intercepted audio messages by the miners refer to an armed gang operating in the region
Unless the authorities take decisive action now, criminal gangs and drug traffickers are likely to carry out more violent attacks. Last year miners murdered two Yanomami.
There are an estimated 20,000 goldminers working illegally in the Yanomami territory.
Concerns are growing for the safety of uncontacted Yanomami communities, one of which is in a region where miners are operating: the miners reportedly attacked their community in 2018.
A humanitarian crisis is engulfing the Yanomami, who are already reeling from high rates of malaria (in 2020 the indigenous health department registered 20,000 cases of malaria) and Covid-19, a lethal combination which is devastating their health and ability to feed themselves.
This is graphically illustrated in a photo, taken on April 17, of a severely malnourished Yanomami child suffering from malaria, pneumonia and dehydration.
The government’s genocidal policies and criminal neglect are killing the Yanomami and other indigenous peoples in Brazil. Please support the Yanomami in their protest.
The Brazilian government is planning to open up the land of uncontacted tribes to deadly exploitation, by scrapping the emergency orders that currently protect their territories.
Experts say the plan could drive several uncontacted tribes to extinction, and destroy around 1 million hectares of rainforest – an area twice the size of Delaware.
These tribes are especially vulnerable as their territories are not officially mapped out and protected. Currently the only thing standing between them and well-funded and heavily-armed loggers, ranchers and land-grabbers are the orders (known in Brazil as “Restrições de uso” injunctions).
Seven territories are currently protected by these orders, most of which have to be renewed every few years. Three of them are due to expire between September and December 2021, and are particularly vulnerable.
One of these protects the forest home of the last of the Piripkura tribe – after a series of massacres only three members of this tribe are known to exist, though some studies indicate others may still survive in the depths of the forest. A recent study by Brazilian NGO ISA showed that 962 hectares of forest in the Piripkura territory were razed last year, the equivalent of more than 1,000 football pitches.
President Bolsonaro and allies are targeting these tribes’ territories, which remain vulnerable until they are fully demarcated as indigenous lands. A Senator close to Bolsonaro, for example, is demanding that the Ituna Itatá territory be dramatically reduced in size, while state and federal politicians allied to powerful logging, ranching and agribusiness interests target other territories. President Bolsonaro is highly sympathetic to these deadly land-grabbing efforts, and has explicitly said he wants to open up all indigenous territories for exploitation.
COIAB (the Coordinating Body of Indigenous Organizations of the Brazilian Amazon), OPI (Human Rights Watch of Isolated and Initial Contact Indigenous Peoples) and Survival – today launched a new video to expose Bolsonaro’s plan. They’re calling for the Brazilian government to renew the Land Protection Orders; evict all invaders; fully protect the territories; and #StopBrazilsGenocide.
Angela Kaxuyana, one of COIAB’s Coordinators, said today: “No more massacres! We won’t allow any more invasions! It’s vital that indigenous peoples and the organizations of the Amazon, and all civil society, mobilize to prevent the territories where the isolated indigenous peoples live from being handed over to loggers, land grabbers, gold miners and other forest predators to destroy. If the Bolsonaro government ends the Land Protection Orders, it will be yet another disaster and attack against the lives of these peoples, which is part of the grand plan to dismantle the indigenous policy in our country.
“We need to prevent more lives from being lost in this (un)government, we’ll carry on defending our rights to life, and those of our relatives who live autonomously in their territories.”
Fabrício Amorim of OPI said: “Land Protection Orders are a cutting-edge tool of public policy in Brazil, which can be deployed quickly to safeguard the lives and land rights of uncontacted indigenous peoples. They’re the highest expression of the precautionary principle, provided for in national and international laws. Doing away with them will mean the extermination of indigenous peoples, or some groups of them, without there even being time to recognize their existence in order to guarantee their rights. It will silence little-known lives and impoverish humanity. Therefore, it’s vital to strengthen these instruments, start demarcating these areas and remove all invaders.”
Elias Bígio, former head of the Uncontacted Tribes unit at Brazil’s Indigenous Affairs Agency FUNAI, said today: “The Piripkura’s land has been occupied by aggressive and violent people who are destroying the environment and threatening everyone.
“The uncontacted Piripkura have shown that they don’t want contact. They don’t have the security of contact with ‘our’ society, given the traumatic relationship they’ve had with the invaders. They’re there in the forest, and they’ve devised strategies to protect themselves and survive. They’ve managed to survive and are there, hidden, restricted to a small territory, and claiming this territory for themselves.”
Sarah Shenker, Coordinator of Survival’s Uncontacted Tribes campaign, said today: “The future of several uncontacted tribes living in territories shielded by emergency Land Protection Orders will be decided this year. They have already experienced land theft and appalling violence and killings at the hands of outsiders. The orders are currently the only thing standing between them and certain death.
“The ranchers’ and politicians’ plot to rip up the orders, steal these lands, and wipe out the uncontacted tribes who live there, is one branch of many in the Bolsonaro government’s genocidal attack on Brazil’s indigenous peoples, and it must be blocked. Over the coming months, uncontacted tribes’ allies in Brazil and around the world will be campaigning non-stop for the orders to be renewed, all invaders evicted, and the forests to be fully protected. Only then can the uncontacted tribes survive and thrive.”
Notes to Editors
– Representatives from COIAB, OPAN, OPI and Survival are available for interview.
– The uncontacted tribal territories currently shielded by the Land Protection Orders are:
Territory | Expiration date | Area in Hectares
Piripkura (Mato Grosso) | 18 Sep 2021 | 243,000
Jacareúba/Katawixi (Amazonas) | 08 Dec 2021 | 647,000
Pirititi (Roraima) | 05 Dec 2021 | 43,000
Ituna Itatá (Pará) | 09 Jan 2022 | 142,000
Tanaru (Rondonia) | 26 Oct 2025 | 8,000
Igarapé Taboca do Alto Tarauacá (Acre) | Until the demarcation process is complete | 287
Kawahiva do Rio Pardo (Mato Grosso) | Until the demarcation process is complete | 412,000
The protection camp at Thacker Pass, Peehee mu’huh, has been in place for more than four months.
This episode is an update starting with a new recording from May 18th, as well as audio from recent video updates recorded on-site by Max Wilbert over the past month or so.
Mining, aquaculture, plantations and other commercial activities have taken a toll on mangroves in Indonesia, home to the world’s largest extent of these important ecosystems.
On the Bangka-Belitung islands off Sumatra, residents of one village are doing their part to maintain the mangroves through replanting.
For the Batu Betumpang villagers, the mangroves are the source of the shrimp they use to make their belacan shrimp paste, a key source of livelihood here.
The villagers say there’s a growing awareness of the importance of mangroves, without which “our income will definitely decline because shrimp will run out.”
This article originally appeared on Mongabay.
Featured image: The lighthouse on Bangka’s Batu Betumpang Beach. Image by Nopri Ismi for Mongabay.
BANGKA, Indonesia — For more than two decades Ardianto has walked to the coastal mangrove trees from his village in Indonesia’s Bangka Island at sunrise with a triangular net, searching for rebon shrimp.
On returning home around 9 a.m. to his village of Batu Betumpang, Ardianto, commonly known as Lai Tin, and his wife begin pounding the catch of the day into a thick shrimp paste called belacan.
“After this is crushed, it dries again tomorrow,” Ardianto told Mongabay. “Then it’s pulverized again — and that’s how we get belacan.”
For centuries the mangrove trees around Bangka-Belitung province have provided food, medicine and more for the islands’ inhabitants.
But the once-teeming ecosystem fringed around the two main islands, about halfway between Singapore and Indonesia’s capital, Jakarta, is today at risk of extinction.
Indonesia, the world’s largest archipelagic country, has more mangrove forests than anywhere else on Earth.
But vast areas of these valuable forests have been uprooted to make way for aquaculture farms, oil palm plantations and other uses along the archipelago’s coasts.
Bangka Island is also the source of about 90% of all the tin mined in Indonesia, the world’s second-largest producer of the metal, which is used mainly as solder in electronic devices.
This has added to the pressure on Bangka’s endangered mangroves as people migrate to the islands to mine tin around coastal areas. There are an estimated 20,000 tin miners on the island and about 700 mining concessions.
Data from the Indonesian Forum for the Environment (Walhi), a prominent national pressure group, shows the province’s mangroves have been decimated.
Only 20 years ago the province was home to around 240,000 hectares (593,000 acres) of mangrove trees.
But today there are just over 33,000 hectares (82,000 acres) of mangroves in Bangka-Belitung.
Many rural communities in Bangka-Belitung have traditionally relied on these mangroves to earn an income from fishing and from making belacan shrimp paste.
Bangka-Belitung province is circled above. In the lower map, Bangka is the island on the left.
Men like Lai Tin walk down to the coast at dawn with their triangular nets to bring in shrimp, which is then prepared and sold by many of the village’s women.
But in recent years, dwindling stocks of shrimp have forced hundreds of fisherfolk to confront an escalating threat to their livelihoods.
Shrinking stocks of rebon shrimp mean many here are resorting to the inferior kampat shrimp.
Lai Tin’s village of Batu Betumpang in the south of Bangka Island is one of the few areas where the tradition survives, according to Rendi, a researcher at Bangka-Belitung University.
“Rebon shrimp can still be found by the shrimp paste makers because in that area some of the mangroves are still preserved,” Rendi told Mongabay in April. “The sea is free from marine tin mining.”
Lai Tin and his wife can usually dry the shrimp in a day — two days if it rains.
Sun, Lai Tin’s wife, dries rebon shrimp in the sun near a mosque in their village. Image by Nopri Ismi for Mongabay.
Catching shrimp is seasonal in Bangka-Belitung, with sufficient stocks available from around December to June.
“During those seven months about 500 kilograms [1,100 pounds] of rebon shrimp are collected,” Lai Tin said.
That’s enough raw material for 400 kilos (880 lb) of shrimp paste, the father of two said.
With a kilo of processed shrimp paste fetching 60,000 rupiah ($4) at market, that generates 24 million rupiah ($1,700) per year. That’s equivalent to almost eight times the province’s minimum monthly wage.
In addition to making shrimp paste, Lai Tin also cultivates vegetables and rice.
“I also look for fish if it is not shrimp season,” he said.
Lai Tin pounds shrimp with traditional tools. Image by Nopri Ismi for Mongabay.
Batu Betumpang village covers an area of 9,462 hectares (23,381 acres) with a population of almost 9,000 people.
The village dates back hundreds of years, with evidence suggesting Batu Betumpang was a prominent trading hub.
Dutch-era bunkers and wells lie near the beach among large granite boulders.
Across the strait separating Bangka from the mainland of Sumatra stands a 74-meter (243-foot) lighthouse built by the colonial Dutch East Indies government in 1888 to guide sailors crossing the water.
The mangroves here also offer the village protection from storm surges.
Last year, Indonesia announced an ambitious plan to plant mangrove trees in 600,000 hectares (1.5 million acres) of damaged forests by 2024.
In Batu Betumpang, work has begun, planting 50,000 seedlings in a 25-hectare (62-acre) area.
“We plan to also plant the api-api and perpat mangroves,” said Ali Akbar, representing the Batu Betumpang Village Lighthouse Tourism Awareness Group. “But we had trouble getting the perpat seeds.”
The government has allocated funds to pay local people to help plant the mangroves, offering some income to those who have lost work due to the coronavirus pandemic.
“The activity also builds public awareness — especially among the younger generation — of the importance of mangroves,” Ali said.
For Lai Tin and many other traditional farmers, the preservation of the local mangroves carries high importance.
“We are very happy with the planting — there are still many fish and shrimp,” he said. “If the mangroves are gone, yes, our income will definitely decline because shrimp will run out, like other areas in Bangka.”
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