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Anglo American uses ‘nature’s fingerprint’ at rehabilitated mine sites Anglo American is harnessing cutting-edge DNA technology for use in ecological monitoring and mine rehabilitation across the Bowen Basin in Queensland.Using environmental DNA, also known as eDNA, teams have been collecting microscopic traces of genetic material left behind by plants, animals, bacteria and fungi in soil and water samples across Anglo American’s five steelmaking coal mine sites.In the newest toolkit addition, environment teams are also now collecting DNA from the air using easy-to-deploy sample collection kits — utilising the same science used from forensic investigations — to track native species living in or passing through rehabilitated mining land as well as mining offset areas.Anglo American environmental manager Jason Fittler says the technology was helping his team better understand how biodiversity was returning to formerly mined areas.“Every plant, animal or insect leaves behind tiny fragments of DNA in water, soil or air,” he said.“By analysing those samples, we can build a detailed picture of what species are living in or moving through our rehabilitated sites.“At one site, we detected four species of fish, 13 species of birds and three mammals — all in a single sample without having to physically see them.”In some areas, environmental specialists were taking about 30 samples at a time on each mine site alongside traditional fauna and flora monitoring completed annually.“This method complements our traditional monitoring as we can detect a different range of plants and animals through DNA,” Mr Fittler said.“It’s a non-invasive, efficient and highly accurate way to measure environmental recovery.”The samples are analysed in laboratories where results are matched using national and international genetic databases to confirm species presence and help track biodiversity trends over time.EnviroDNA principal scientist Luke Noble says eDNA allows access to a broad slice of biodiversity — plants, fungi and animals — across marine, freshwater and terrestrial environments.“These generate thousands and thousands of biological indicators to track the restoration process, the condition of the soil and the condition of the broader ecosystem as it transitions back to a more natural state,” he said.“Environmental DNA is pretty much everywhere you look — you just need a method to concentrate it or access it in useful ways.“DNA is unlike other technologies because its power comes from being an indirect detection method. It tells you what has been at or near the site you sampled.“By building up a picture of detections through time, we can have much more confidence about what we’re seeing.“Air eDNA, which is in the research and development phase, is a super exciting new development. It has the potential to do for terrestrial environments what eDNA has already done for aquatic ecosystems.”This method is superior to conventional ecological monitoring which sometimes fails to record individual species if they are not observed during the survey period.“This approach not only reduces the need for disruptive monitoring techniques but also gives us richer insights into how ecosystems are recovering,” Mr Fittler said.“Through DNA sampling, we can detect plants and animals from microscopic skin flakes, a strand of fur, a feather fragment or even a microscopic piece of faeces.“We gather this DNA through soil and water sampling, but we can now also collect DNA through particles passing through the air using a suspended filter, similar to a Chux cleaning cloth in appearance.“When we set these up, we can detect gliders, koalas, bats, dogs, cows — just about anything that comes near the cloth.”This innovation is helping Anglo American deliver world-class environmental outcomes in its land rehabilitation journey.Mr Fittler says one of the most exciting findings so far was the discovery of fish in water ponds created above underground mine subsidence rehabilitation areas.“While the how remains a mystery, finding fish in the ponds we have created on subsided land shows just how incredible nature can be,” he said.Anglo American’s rehabilitation areas have been progressively restored to native vegetation, with eDNA data providing independent verification of ecological progress.“We’re using science to tell the story of nature’s comeback,” Mr Fittler said.“These results show life is returning, and thriving, in the places we once mined.”

WesTrac field service technician Leon Archibald was crowned runner-up in the Caterpillar Global Dealership Technician Challenge in the US.The global competition was first introduced in 2024 to recognise the critical role technicians play in keeping major industries operating, while also showcasing the world-class technical skills across Caterpillar’s global dealer network.Held over three days in Illinois, the challenge tested finalists through a series of high-pressure, real-world scenarios — requiring them to diagnose and repair complex mechanical faults under strict time limits.Mr Archibald, from WA, says the experience was both challenging and rewarding.“It’s been a long process, nearly two years, so to go through all that and get that result is amazing,” he said.“I didn’t think there’d be anything like this , you meet a lot more people and become more widely known.“It’s hard to explain the exact feeling of a podium finish, but it was great.”The result follows Mr Archibald’s standout performance at the semi-finals held in Spain last year, where he placed first against elite technicians from across Europe, Asia, the Americas and the Middle East, securing his spot in the final.Mr Archibald was supported by mentor Peter Bardwell, who helped prepare him for the intensity of the international competition.Mr Bardwell says Mr Archibald’s calm approach on the global stage was the key to his success.“Leon is extremely determined and his technical knowledge is by far the best I’ve seen,” he said.“He was able to shake off some minor things that didn’t quite go our way.“It was such a privilege for me to join him in his journey to success. He is truly deserving of this accomplishment.”WesTrac WA chief executive Jarvas Croome says the result was a proud moment for not only the company, but the state.“Leon’s achievement is an incredible proud moment for WesTrac,” he said.“Standing among the world’s best technicians is no small feat and Leon’s success is a testament to his skill and a powerful example of what investment in our people looks like.”

Metso acquires MRA Automation Metso has acquired MRA Automation, a leading provider of automation and digitalisation technology solutions for ports and terminals worldwide.The privately owned engineering company based in NSW specialises in providing engineering, automation and software solutions for bulk material handling operators. Its offerings combine proprietary smart automation services with Axo33 Smart Software products.Metso stands at the forefront of the bulk material handling industry, backed by more than a century of expertise and more than 8000 bulk handling installations and, as a result of this acquisition, customers will benefit from integrated end-to-end solutions and advanced technologies designed to enhance efficiency, safety and support throughout every stage of bulk material handling operations.Metso grinding, bulk, pyro and smelting services senior vice president Jonathan Allen says MRA complements Metso’s electrical and control system capabilities, acquired in 2023, extremely well.“We are excited to welcome our new colleagues to Metso. Their expertise and innovative approach to stockyard equipment align seamlessly with our ambition for growth in bulk and port solutions,” he said.“With MRA’s advanced software platform and services, we are expanding our offering to serve bulk and port customers, strengthening our presence in important Australian markets and accelerating our global reach.”MRA Automation managing director Rodney Devetak says the company is excited to join Metso.“This acquisition not only strengthens the value for customers worldwide but also creates opportunities for our team to grow and contribute within a world-class organisation," he said.

Rehabilitation at Ranger uranium mine continues The Federal Government has issued a new rehabilitation authority to Energy Resources Australia (ERA) to continue rehabilitation activities at Ranger uranium mine in the Northern Territory. The authority will allow ERA, a subsidiary of Rio Tinto (ASX: RIO), to progress a staged rehabilitation strategy that focuses upon adherence to objectives as stated in the authorisation to operate to allow the site to be returned to the Mirarr Traditional Owners. This strategy will be achieved through the application of best practice and the use of technology within a risk-based framework. ERA’s long-term vision is to return the disturbed area to a viable ecosystem in line with its obligations to its stakeholders and regulators and the expectations of the community. Federal Resources Minister Madeleine King comments on the authority. “This new authority means that ERA will be able to continue with its obligation to restore Ranger uranium mine to a condition similar to the surrounding Kakadu National Park,” she said. Mirrar Traditional Owners have worked closely with the Northern Land Council and ERA on a new land access agreement. Indigenous Australians Minister Malarndirri McCarthy approved the agreement under the Aboriginal Land Rights Act (Northern Territory). “I thank the Mirarr Traditional Owners, Gundjeihmi Aboriginal Corporation, Northern Land Council, ERA and Rio Tinto for their collaborative efforts in establishing this new authority and land access agreement,” she said. “We want to see rehabilitation completed and for the land to be returned to the Mirarr Traditional Owners.” Rehabilitation and closure planning began soon after the Ranger mine began producing uranium oxide in 1981.  Operations at Ranger ceased after ERA failed to secure permission from the Mirarr Traditional Owners and the Gundjeihmi Aboriginal Corporation to continue mining the sire.  ERA increased its estimated rehabilitation provision to $830m in 2019, a major increase from the $526m estimate recorded in 2017.