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In the mineral processing industry, waste is often seen as a problem. But through a program called Energizing Granular Activated Carbon (GAC) from Waste to Eco-Efficiency, Harita Nickel has changed that view by turning used activated carbon into an efficient alternative energy source.
GAC plays an important role in the purification process, which is a continuation of the High Pressure Acid Leaching (HPAL) process, a technology used to extract nickel and cobalt from laterite ore. “GAC is made from coconut shells or fibers, which are eventually burned and turned into charcoal,” said Catur Prasetyo, Laboratory Staff at Harita Nickel’s Power Plant.
<img alt="Limbah karbon aktif jadi energi alternatif inovasi keberlanjutan dari harita nickel" src="https://api.tbpnickel.com/storage/images/old/images/Limbah Karbon Aktif Jadi Energi Alternatif Inovasi Keberlanjutan dari Harita Nickel.jpeg"> 
In this process, GAC helps remove organic compounds and contaminants from the sulfate solution. This improves the quality of the final product and protects the equipment from damage caused by impurities.

Once used, GAC becomes hazardous waste (B3), and Harita Nickel generates more than 1,300 tons of it each year. This challenge soon emerged: in addition to the high costs of handling and transportation, the buildup of this waste also poses risks to the environment and workplace safety.
<img alt="Limbah karbon aktif jadi energi alternatif inovasi keberlanjutan dari harita nickel 3" src="https://api.tbpnickel.com/storage/images/old/images/Limbah Karbon Aktif Jadi Energi Alternatif Inovasi Keberlanjutan dari Harita Nickel-3.jpeg"> 
“Instead of letting it become waste, we tried to revive this used GAC through controlled combustion, with emissions tested to meet the standards set by the Minister of Environment and Forestry Regulation No. 15 of 2019. The results were remarkable: not only did it produce heat that could be reused, but it also significantly reduced the volume of solid waste,” said Catur.
This project follows strict sustainability standards and was even included in Harita’s internal competition, the Harita Continuous Improvement (HCI) program. “The combustion of used GAC is done in a closed system at the Power Plant. The heat produced is used as an alternative fuel, partially replacing coal consumption,” explained Catur.<img alt="11032025 hn grand final hci 2024 133 1 11zon" src="https://api.tbpnickel.com/storage/images/old/images/11032025_HN_Grand Final HCI 2024__133 -1-_11zon.jpg"> 
With this method, carbon emissions can be reduced, energy efficiency improved, and waste disposal costs minimized, bringing added value to mineral processing operations.

“GAC waste has the potential to be used as an alternative fuel because it contains 5,500 calories per gram,” said Adrianus Adityawardana, Superintendent of the Harita Nickel Power Plant.

Adrianus further noted that this innovation has the potential to be replicated across various Harita Nickel operational units. This initiative also strengthens Harita’s leadership in supporting the sustainability mission of Indonesia’s nickel industry, in line with advancing downstreaming through green innovation.

As pressure grows for extractive industries to be more eco-conscious, initiatives like this show real action. It’s not just about new technology, but a new way of thinking and beginning of new opportunities.

Turning Activated Carbon Waste into Energy: Harita Nickel’s Sustainable Innovation

Harita Nickel held the Obi Fishing Tournament 2025 entitled “Let's Keep Our Sea” on Saturday-Sunday, June 14-15, 2025 in the sea of Kawasi Village, Obi Island, South Halmahera, North Maluku. The fishing tournament, which has entered its fourth year, is a routine agenda of Harita Nickel with its operational community to promote the biodiversity of Obi sea waters.
Chairman of the Obi Fishing Tournament 2025 Committee, Ferry Mangindano, said this year's fishing tournament was attended by 135 participants, consisting of 86 local residents and 49 company employees. The fishing area is around Harita Nickel's operations in Kawasi Village, which stretches from the Akelamo River estuary to around the waters of Mala-Mala Island. The total prizes provided were worth Rp 29 million.

As of closing time, 94 kg of fish were caught by the participants. The types of fish varied, ranging from snapper, grouper to tuna.

<img alt="Img 0044.jpeg" src="https://api.tbpnickel.com/storage/images/old/images/IMG_0044.jpeg.jpg"> 
"The actual number of catches is greater, due to the fact that only fish weighing more than 3 kg were submitted to the committee. This shows that the fish in the waters around Harita Nickel are still abundant, proof that its sustainability is still maintained," said Ferry.

One of the participants, Max Sikape (50) with his partner Sonny Tamansa (48), came out as the second winner with 12 points. They managed to catch two groupers and one snapper with a total weight of 22 kg around the waters of Mala-Mala, not far from the company's jetty.

"We would have won first place if the barracuda fish of about 20 kg had not escaped. The fish was in our hands, but it came off," he recalled with a laugh. Even so, they were still happy to bring home the Rp6 million cash prize.

Meanwhile, for the most unique catch category, the title was won by Zulfikri Salim, employee of Harita Nickel who managed to catch a tiger shark (Galeocerdo cuvier). However, the shark was immediately released back because of its important role in maintaining the marine ecosystem's health.

<img alt="Obi fishing ikan tangkapan" src="https://api.tbpnickel.com/storage/images/old/images/Obi Fishing_Ikan Tangkapan.jpeg"> 
Obi Fishing Tournament 2025 was highlighted by Khairun Ternate University academic, Prof. Janib Achmad, S.Pi, M.Sc. The professor of Marine Natural Materials Chemistry said the fishing tournament initiated by Harita Nickel is important to foster ecological awareness among the community. According to him, awareness of fish and water conservation is closely correlated with marine ecological patterns.

"Later, the catches of the participants will confirm that our waters provide fish in diverse numbers and types. Based on that, we can see the size, species, and condition or level of productivity of the existing fishing ground," he explained, during his visit to the fishing tournament.

Director of Health, Safety, and Environment (HSE) Harita Nickel, Tonny Gultom said, the fishing tournament was designed as a means of friendship between the company and the community and at the same time to strengthen awareness of the importance of preserving the sea.

“This year, we feel grateful that this activity is also a platform for cross-party collaboration ranging from internal employees, local communities, village government elements, to all partners who contribute, to jointly protect the sea as a source of life,” said Tonny.

<img alt="Obi fishing peserta" src="https://api.tbpnickel.com/storage/images/old/images/Obi Fishing_Peserta.jpeg"> 
Tonny emphasized that such activities are in line with the company's commitment to sustainable mining and downstream practices. According to him, marine health is one of the key indicators for the sustainability of the company's operations. To ensure the quality of waters around the company's operations is maintained, it conducts regular monitoring with the support of a competent team and modern equipment.

Obi Fishing Tournament 2025 was closed by cooking fish caught by the participants and then enjoyed together.&nbsp;

"The spirit is collaboration. In the momentum of World Environment Day, we invite the community to jointly protect the environment for future generations," he concluded.

Obi Fishing Tournament 2025: Abundant Fish Catch, Kawasi Sea Waters Still Productive

Working in the mining industry is not easy, especially when it involves environmental responsibility. For Bobby Loys Lengga, Environment Superintendent at PT Halmahera Jaya Feronikel (HJF), it means ensuring every process runs according to regulations, transparently, and accountably.
On a daily basis, Bobby handles often-overlooked matters, ranging from environmental documentation and monitoring water and air quality to waste management, as well as ensuring timely reporting obligations to the government. He is also involved in internal and external audits and oversees the implementation of critical documents, such as the Environmental Impact Assessment (AMDAL), to ensure they are not just kept on paper.

“My job is not only to comply with regulations but also to ensure operations do not neglect social and environmental responsibilities,” said Bobby. He added that protecting the environment is not the task of a single division, but a collaboration involving many parties, from operations to top management.

Bobby began his educational journey in Environmental Engineering at Mulawarman University. His educational background serves as a strong foundation for understanding environmental issues from both technical and policy perspectives.

<img alt="Bobby enviro hjf 2" src="https://api.tbpnickel.com/storage/images/old/images/Bobby Enviro HJF 2.jpg" title="Bobby enviro hjf 2">
<figcaption>Bobby Loys Lengga, Environment Superintendent at PT Halmahera Jaya Feronickel, one of Harita Nickel's subsidiaries operating a pyrometallurgical smelter</figcaption>

Before joining PT HJF, Bobby built his career at a coal mining company. That experience in the energy sector strengthened his understanding that each type of mining has unique environmental challenges that need to be managed preventively rather than reactively.

“We work in an industry; there will definitely be impacts. But that doesn’t mean they can’t be controlled,” he said. “The important thing is to know the risks, what the mitigation measures are, and take responsibility if something needs to be fixed.”

According to Bobby, the biggest challenge is not technical. Rather, building environmental awareness among fellow employees is more complicated. He said rules can be made, but if people are indifferent, nothing will work.

“Building a culture is difficult. But little by little it can be done, as long as it is consistent. Education must be ongoing,” he said.

He believes that continuous education and a persuasive approach are key to fostering a sense of ownership toward a sustainable working environment. For Bobby, working on Obi Island is not just about a career, but also about contributing to a region that is an important part of the eastern Indonesian ecosystem.

“We want to show that industry can also be part of the environmental solution, not just a source of problems,” he said.

He hopes that in the future, environmental awareness in the industrial sector will continue to increase. “I am optimistic, especially seeing the enthusiasm of the younger generation who are increasingly concerned about sustainability issues,” he concluded.

Bobby Loys Lengga’s Role in Building a Culture of Environmental Care

The newly constructed commercial area in Kawasi New Settlement was officially inaugurated through a festive event SAPA Kawasi 2025 (Semarak Pasar Rakyat Kawasi) on 15-24 May 2025. This inauguration marks an important milestone in building an economic hub for the community around Harita Nickel's operations on Obi Island, South Halmahera.&nbsp;
The commercial area is an economic support facility in the new settlement of Kawasi Village, a program initiated by the South Halmahera Regency Government and supported by Harita Nickel to provide decent and integrated housing. Residents who previously traded in the old settlement get replacement kiosks located strategically in this newly developed and organized location.&nbsp;

 
<figure><img alt="24052025 hn grand launching sapa kawasi 11" src="https://api.tbpnickel.com/storage/images/old/images/24052025_HN_Grand Launching SAPA Kawasi_11.jpg"> </figure>
Kawasi Village Head, Arifin Saroa, in his remarks at the SAPA Kawasi launching night, invited the community to utilize the commercial area as an economic resource for local traders in the new settlement. He also asked for support from Harita Nickel so that employees could support it by shopping at the local market. 
In addition to the commercial area, Arifin also expressed his appreciation to Harita Nickel for providing access to the Akelamo River bridge, which connects Kawasi and Soligi villages. According to him, land access can encourage local economic growth.&nbsp;

“Let's organize it well so that we can trade together, do you agree, waina Soligi and Kawasi?&nbsp; Waina from Soligi and Kawasi can now work well in business because Harita Nickel has opened business spaces, giving us access to land routes. Let's support Harita's programs together, because these programs are very useful,” he said, inviting local traders (waina) who were present that night.

Deputy Head of Technical Support of PT Obi Sinar Timur, one of Harita Nickel's subsidiaries, Amirudin, said SAPA Kawasi is a a tangible demonstration of the company’s commitment to local economic development. He expressed hope that&nbsp; SAPA Kawasi, as a means to promote commercial areas, can raise the potential of local MSMEs.&nbsp;

<img alt="24052025 hn grand launching sapa kawasi 75" src="https://api.tbpnickel.com/storage/images/old/images/24052025_HN_Grand Launching SAPA Kawasi_75.jpg"> 
The grand launch night of SAPA Kawasi was enliven by the performance of guest star Alan Darmawan, who performed his song “100 Million.” As the crowd mingled with Insan Harita, they sang together in front of the entertainment stage. Meanwhile, children were seen enjoying a number of game rides not far from the entertainment arena. MSME stalls selling various culinary delights, handicrafts and daily necessities were attracting visitors.

Regent of South Halmahera, Hasan Ali Bassam Kasuba, who officially opened the event, praised the collaborative effort in establishing this economic hub. “On behalf of the Regency Government, I appreciate the inauguration of this economic area. I see great potential to encourage the economic growth of the community, especially MSMEs. Hopefully Kawasi will grow into a healthy, prosperous and competitive area,” he said.

After soft launching, Halsel local government through Harita Nickel will take a number of finishing works in the economic zone, such as greening and tidying up. Furthermore, after everything is complete and ready, the committee will make a grand launching.&nbsp; 
Through the development of this commercial area, Harita Nickel and the South Halmahera Regency Government remain committed to continuously improving local community welfare and supporting sustainable economic growth on Obi Island.

Just Launched, Kawasi Village Economic Zone to Ignite Local Economy

Used cooking oil, typically viewed as household waste, is now being strategically utilized as an alternative energy source at PT Megah Surya Pertiwi (MSP), a Harita Nickel operating unit on Obi Island.
Through its innovative use in the nickel ore drying process (dryer kiln), used cooking oil has enabled MSP to reduce daily coal consumption by up to 10%. This alternative energy source now contributes approximately 21% of the total heat energy required for drying operations.

Beyond energy efficiency, the initiative has generated immediate cost savings of IDR 79 million, with projected annual savings of up to IDR 320 million per production line.

Agung Sunardi Munim, Environment Compliance & Monitoring Supervisor at MSP, noted that the idea originated from the simple concept of repurposing waste cooking oil from the company’s canteen. “We identified unused kitchen oil as an overlooked asset. After testing, it proved to be both efficient and environmentally safe,” said Agung.

Since January 2023, the Environment team has developed and installed a dedicated system for collecting, filtering, storing, and injecting used cooking oil into the combustion chamber of the dryer kiln. Within three months, the system became fully operational and remains in consistent use.

<img alt="Inovasi smelter msp" src="https://api.tbpnickel.com/storage/images/old/images/Inovasi Smelter MSP.jpg" title="Inovasi smelter msp">
<figcaption>Used cooking oil becomes an alternative fuel for production operations at PT MSP smelter</figcaption>

By April 2023, the process was integrated into regular operations. The initiative follows detailed Standard Operating Procedures (SOPs), ensuring efficient scheduling and systematic management.

“Starting April 2023, the initiative has been applied routinely and is now fully integrated into our operational processes,” he added.

From an environmental standpoint, the use of used cooking oil offers significant benefits. With a calorific value of around 9,000 kcal/kg, higher than lignite coal, it generates fewer emissions and avoids harmful residues such as fly ash or excessive particulates. It also helps prevent water pollution and supports the company’s zero-waste objectives, aligning with regulatory standards under PermenLHK No. 4/2014 and Permen P.68/2016.

Due to its success and tangible impact, the program was awarded First Place at the business unit level in the Harita Continuous Improvement (HCI) 2024 event. It has also received recognition from the government as a concrete step toward supporting Sustainable Energy Initiatives in the industrial sector.

This initiative underscores PT MSP’s commitment to operational efficiency, environmental responsibility, and energy transition. It highlights how simple, data-driven innovations can yield substantial impact, both for the environment and the future of Indonesia’s nickel industry.

Low Emissions, Innovation of Used Cooking Oil into Alternative Energy at Harita Nickel Smelter

World Environment Day 2025 under the theme “Ending Plastic Pollution” reminds us that protecting the earth is a shared responsibility. Through an Enviro Talk discussion session entitled “Real Action for Our Earth”, Insan Harita organized a joint movement to stop plastic pollution.
The discussion, which was packaged in a casual yet contained vibe, was held at Cafe Kahyangan, an employee mess complex of PT Trimegah Bangun Persada Tbk (TBP), one of Harita Nickel's business units. Three internal speakers from the company shared knowledge about environmental management practices in their respective workplaces. 
 
Alam Firdausi, Environmental Superintendent, opened the discussion by explaining the hierarchy of waste management and its impact on the environment.
 
He introduced the circular economy concept, referencing William McDonough’s Cradle to Cradle framework. This model advocates for resource use in production processes that avoids waste generation by reintegrating materials into sustainable cycles.
 
“If we fully embrace the circular economy, waste will no longer be an issue in the future. All materials can be managed and repurposed instead of being disposed of,” he explained.
 
In alignment with this, Mokhamad Rifai, Mine Reclamation Superintendent, addressed the key theme of plastic waste. He emphasized the challenges posed by plastic’s slow degradation and potential toxicity, encouraging public understanding of plastic types through packaging symbols.
 
Rifai cited the risks associated with reusing mineral water bottles repeatedly due to potential chemical leaching when exposed to heat. He also highlighted Indonesia’s position as the world’s second-largest contributor to ocean plastic pollution.
 
Accordingly, he urged participants to adopt the principles of refuse, reduce, reuse, and recycle in their daily lives. He shared practical examples, such as repurposing used plastic bottles as tissue holders or biofilters in the company’s waste treatment facilities.
 <img alt="Pengolahan sampah tbp" src="https://api.tbpnickel.com/storage/images/old/images/Pengolahan Sampah TBP.jpg" title="Pengolahan sampah tbp"><figcaption>Composter facility used to produce organic fertilizer from canteen kitchen scraps.</figcaption>
 Additionally, M. Saifullah Nijar, Senior Environment Compliance Engineer, shared the team’s experience in organic waste management. He outlined a straightforward composting approach that utilizes existing equipment and materials.
 
Saifullah attributed the program’s success to active collaboration across stakeholders, stating, “We produce compost from organic waste collected from kitchen leftovers at the canteen. The compost is primarily used as fertilizer in public areas such as offices and places of worship.”
 
On this year's Environment Day (HLH), Harita's employees reaffirmed their commitment to implement business practices that promote environmental and social sustainability. 
 
In addition to TBP, other business units also organized various events to celebrate HLH. Among others, Harita Mengajar on plastic waste management will target school students in Kawasi Village, waste cleanup around the beach, and the annual Obi Fishing Tournament which will be held in mid-June.&nbsp;

World Environment Day 2025, Insan Harita Takes Action to Stop Plastic Pollution

PT Obi Sinar Timur (OST),&nbsp;one of Harita Group's affiliated companies, has adopted emission control technologies to minimize the environmental impact of its coal-fired power plant (PLTU) operations in Kawasi Village, Obi Subdistrict, South Halmahera, North Maluku. This initiative is a vital part of the company’s commitment to responsible environmental management.
Amiruddin, Deputy Head of Technical Support at PT OST, stated that the company currently operates a power plant—part of which is still under construction. The power plant consists of five units.
“To improve air quality management, each unit has been equipped with emission control technology tailored to its operational characteristics,” he explained.
Amiruddin further elaborated that each power plant stack is fitted with a calibrated Continuous Emission Monitoring System (CEMS). This equipment provides real-time emissions data for parameters including Sulfur Dioxide (SO₂), Nitrogen Oxides (NOₓ), Carbon Monoxide (CO), Mercury (Hg), and Particulate Matter. The system is directly connected to the Ministry of Environment and Forestry’s Industrial Emissions Monitoring Information System (SISPEK).
To reduce nitrogen oxide emissions, all generating units are equipped with low-NOₓ burners, which are designed to minimize NOₓ formation at the combustion stage by precisely controlling temperature and airflow. Meanwhile, to capture particulate matter from combustion, exhaust gases are first passed through an Electrostatic Precipitator (ESP)—a technology that uses an electric field to trap fine particles, resulting in extremely low particulate levels in the air released through the stacks.
Sulfur dioxide (SO₂) emissions are controlled using different approaches depending on the unit capacity. For example, some units use a limestone injection system that reacts directly with SO₂ gas inside the boiler furnace. Meanwhile, others apply Flue Gas Desulfurization (FGD) technology, which is known as one of the most effective methods for reducing sulfur content in large-scale industrial exhaust gases.
Amiruddin emphasized that all emission control processes are closely monitored using the CEMS, which can instantly detect changes in emission levels. “With this technology, we can ensure that all emissions released meet the applicable standards,” he added.
Through this approach, Harita Group demonstrates that industrial sustainability does not have to come at the expense of air quality and environmental health. This commitment aligns with the company’s broader efforts to support responsible and sustainable national nickel downstream development.<script src="https://cdn.flmngr.com/widgets.js?apiKey=FLMNFLMN" data-ts="1784624187073"></script>

Harita Group Implements Emission Control Technologies to Safeguard Air Quality

In May 2025, Harita Nickel had the honour of attending the OECD Forum on Responsible Mineral Supply Chains in Paris. This globally respected event, hosted by the Organisation for Economic Co-operation and Development (OECD), brings together industry leaders, policymakers, and civil society to shape the future of responsible mineral sourcing&mdash;a topic central to the world’s clean energy transition.
The Forum has become a key platform for discussing how critical minerals&mdash;such as nickel, lithium, manganese, and cobalt&mdash;are sourced, supplied, and integrated into technologies that power electric vehicles (EVs) and renewable energy systems. These resources are essential, but their extraction, processing and supply carry significant environmental and social responsibilities.

Harita Nickel attended amongst a host of critical mineral producers from key regions. Anglo American (UK–South Africa) mines a range of minerals including platinum and iron ore; SQM Lithium (Chile) is one of the world’s largest lithium producers; and Eramet (France) specializes in manganese and nickel.&nbsp;

Each of these companies contributes a vital link in the EV or energy transition supply chain, and we were proud to come together with a shared goal: to promote responsibility and transparency in the inherently complex and high-impact industry of mining.

<h4>Bridging Policy and Practice in Responsible Mining
</h4>
One&nbsp; session&mdash;“On-the-Ground Impacts of Due Diligence: Perspectives from the Mining Sector”&mdash;focused on how ESG (Environmental, Social, and Governance) standards are being implemented at mine sites and how the sector is moving beyond compliance and evolving continuously. Moderated by Aimee Boulanger, Executive Director of the <a href="https://responsiblemining.net/">Initiative for Responsible Mining Assurance</a> (IRMA), the discussion highlighted the growing importance of credible, globally recognised benchmarks.

At Harita Nickel, we shared how aligning with IRMA’s multi-stakeholder standard is helping us turn policy into practice. This process has strengthened internal accountability, improved risk management, and brought cross-departmental teams together around shared sustainability goals.

<h4>Harita Nickel’s Commitment to Contribution
</h4>
These conversations matter. Responsible mineral sourcing doesn’t begin at the battery factory or trading desk&mdash;it starts at the mine. And if we are serious about building ethical, transparent supply chains for the energy transition, upstream producers must play a central role. It takes a full-system approach&mdash;miners, refiners, regulators, and buyers working in sync.We were proud to join this global conversation, and to share our perspective from the front lines of nickel production. From our operations on Obi Island, we are working to ensure that the global shift to electric mobility and renewable energy includes a strong foundation of environmental protection and community respect. 
The energy transition cannot succeed without responsible minerals. At Harita Nickel, we are committed to doing our part&mdash;ensuring that value creation doesn’t come at the expense of people or the planet.

From Obi Island to Paris: Sharing Our ESG Journey at the OECD Forum

Obi Island is known for its abundant natural resources and rich biodiversity. Harita Nickel, one of the mining companies operating on the island, is actively engaged in environmental conservation as part of its commitment to responsible mining.
One of Harita Nickel's concrete initiatives is its annual flora and fauna monitoring program, conducted regularly within its operational areas. This program involves independent third-party experts to ensure objective and credible results.

“We carry out regular monitoring and surveys with the involvement of independent parties. The goal is to observe the existing flora and fauna–both before and after mining activities, as well as in reclamation and revegetation areas,” said Retno Dewi Handayani, Green Mining Manager at Harita Nickel.
<img alt="Kapasan halmahera dsc02872" src="https://api.tbpnickel.com/storage/images/old/images/Kapasan Halmahera DSC02872.jpg" title="Kapasan halmahera dsc02872">
<figcaption>Halmahera Cuckooshrike, a small bird endemic to Obi Island, is perched on a tree branch.</figcaption>

Over the past few years, Harita Nickel has conducted several monitoring efforts that reveal the rich biodiversity potential of Obi Island. Observations have recorded various species of flora and fauna, including several that are endemic and protected. One particularly interesting finding is the sighting of the Halmahera Cuckooshrike (Lalage aurea), an endemic species to Obi Island known for its distinctive rust-red belly.
This bird belongs to the Campephagidae family and is classified as “Least Concern” on the IUCN Red List. Its presence within Harita Nickel’s operational area serves as a significant indicator of Obi Island’s ecological value and shows that its natural habitat remains preserved–even in an industrial setting.&nbsp;
In addition to the Halmahera Cuckooshrike, observations have also recorded the presence of other endemic species such as the Scarlet-breasted Fruit Dove (Ptilinopus bernsteinii), Obi Golden Bulbul (Hypsipetes lucasi), Obi Fantail (Rhipidura obiensis), Cinnamon-bellied Imperial Pigeon (Ducula basilica), Goliath Coucal (Centropus goliath), Halmahera Flowerpecker (Dicaeum schistaceicep), as well as fruit bats like Nyctimene albiventer and Dobsonia viridis, and arboreal mammals such as the Polynesian Rat (Rattus exulans), which is active at night.

<img alt="Copy of cabai halmahera 11zon" src="https://api.tbpnickel.com/storage/images/old/images/Copy of Cabai halmahera_11zon.jpg" title="Copy of cabai halmahera 11zon">
<figcaption>Halmahera flowerpecker, a small bird endemic to North Maluku, serves as an indicator of flowering vegetation recovery within Harita Nickel’s revegetation area.</figcaption>
 Among insects, the presence of various dragonfly and butterfly species also serves as an important indicator of a well-maintained environment. Notable discoveries include the endemic dragonfly Palaiargia obiensis and the endemic butterfly Troides criton.
<img alt="Palaiargia obiensis" src="https://api.tbpnickel.com/storage/images/old/images/Palaiargia-obiensis.jpg" title="Palaiargia obiensis">
<figcaption>The endemic dragonfly of Obi Island rests on a leaf, serving as a natural indicator of clean and pollution-free water.</figcaption>

<img alt="Troides critonm" src="https://api.tbpnickel.com/storage/images/old/images/Troides critonm.jpg" title="Troides critonm">
<figcaption>The Troides criton butterfly, endemic to Obi Island and characterized by its distinctive black and bright yellow wings, was documented by Harita Nickel’s flora and fauna monitoring program.</figcaption>

These two species are known to be highly sensitive to ecosystem changes, especially in terms of water quality and vegetation diversity. Dragonflies, for instance, can only breed in clean, unpolluted waters, while butterflies rely on the availability of host plants and wildflowers to survive.

“In recent years, we’ve also seen a stable trend in wildlife diversity levels, including endemic species that indicate the balance of natural ecosystems,” Retno added.
The stable trends observed in the biodiversity of bird taxa, insects, and other fauna groups such as small mammals and herpetofauna–as recorded in previous monitoring, serve as a positive indicator of the effectiveness of revegetation and post-mining ecosystem recovery efforts. To further strengthen these ecosystems, the company has also implemented a sustainable revegetation strategy by planting pioneer tree species and integrating local tree species throughout reclamation areas. 
<img alt="Copy of aerial view from reklamasi komodo color correction 11zon" src="https://api.tbpnickel.com/storage/images/old/images/Copy of Aerial_View From Reklamasi Komodo__Color Correction_11zon.jpg" title="Copy of aerial view from reklamasi komodo color correction 11zon">
<figcaption>A reclamation site developed by Harita Nickel on Obi Island as part of its post-mining environmental management efforts.</figcaption>
 Trees such as Marsawa, Meranti, Ketapang, Banyan, Red Jabon, and Angsana are planted strategically to create habitats that support wildlife. This diverse vegetation is essential to supporting the lives of various fauna, from fruit-eating and nectar-feeding birds to insects like dragonflies and butterflies.
Beyond field activities, continuous education for employees and stakeholders is also a key focus for the company. Ongoing awareness efforts about wildlife protection and the importance of maintaining ecosystem balance are integrated into Harita Nickel’s work culture.

“We continue to emphasize the importance of preserving natural balance. Education about the ban on wildlife hunting is a key agenda across all Harita Nickel business units,” Retno said.

Through a combination of scientific monitoring, environmental rehabilitation, and social education, Harita Nickel strives to ensure its industrial operations align with the ecological sustainability of Obi Island. This initiative is part of the company’s vision to be a responsible, adaptive, and forward-thinking mining industry player with a long-term commitment to nature conservation.

Tracing the Footprints of Biodiversity on Obi Island

Harita Nickel has reaffirmed its commitment to strengthening the local economy by launching the PELANGI Program (Perhimpunan Nelayan Kampung Tabuji - Tabuji Village Fishermen Association) in Tabuji Hamlet, Baru Village, Obi District, South Halmahera Regency. The program was officially introduced on Saturday, May 17, 2025, during an event attended by representatives from the district and village governments, community leaders, and local fishermen group members.
PELANGI is a community-based economic empowerment initiative targeting 20 members of the fishermen group in Tabuji Hamlet. Through participatory approaches and planning, the program is designed to increase the community’s real income by promoting sustainable marine resource management.

Mohammad Mona Putra, Agriculture & Fishery Superintendent at Harita Nickel, stated that PELANGI is part of the company’s strategy to encourage the development of independent enterprises that have a direct impact on community welfare.

“We hope this program not only serves as a short-term solution but also opens long-term business opportunities for the fishermen in Tabuji,” he said.

Harita Nickel has provided several forms of assistance, including a speed boat unit and a traditional fish trap building (sero). Going forward, the company plans to construct a storage warehouse for the catch and provide other supporting infrastructure.
<img alt="Bantuan sero dari harita nickel" src="https://api.tbpnickel.com/storage/images/old/images/Bantuan-Sero-dari-Harita-Nickel.jpeg" title="Bantuan sero dari harita nickel">
<figcaption>Sero fishing structure provided by Harita Nickel for the Tabuji fishing group, used as a traditional fish trap</figcaption>

In addition, the company will regularly offer assistance to strengthen and build the capacity of the group, including support in organizational management, operations, production, marketing, and financial management.

Salmon Gogerino, Chairman of the PELANGI Fishermen Group, expressed appreciation for the support. “Besides the equipment assistance, we also received guidance in developing structured business plans. We hope the support from the village government and related authorities will continue, especially for the administration of official fisherman identities,” he said.

Meanwhile, Obi Subdistrict Head, Ali La Jahiria, expressed his appreciation for Harita Nickel’s contribution in supporting community empowerment efforts. He emphasized the importance of synergy between the company, the government, and community groups in ensuring the success of the program.

“We appreciate this initiative and are ready to provide support within our capacity, both at the subdistrict level and through coordination with the village government. We hope the group will carry out this program with integrity and solidarity, so the benefits can truly be felt. We will also assist with the administrative process to ensure that group members obtain official identification as registered fishermen,” he stated.

Through this program, Harita Nickel underscores the importance of long-term collaboration and expressed its commitment to continuing its support throughout the implementation phase, including regular monitoring and capacity development for the group.

Looking ahead, the company will continue to strengthen cross-sector collaboration and ensure the program’s sustainability as part of its long-term strategy to promote inclusive and equitable economic independence for the local community.

Harita Nickel Supports the Independence of Tabuji Fishermen Through the PELANGI Program