For the first time in history, Indonesia’s Ministry of Environment and Forestry has granted legal recognition to ancestral forests in Aceh, a province on the northern tip of Sumatra. In September 2023 C.E., the government issued titles to 22,549 hectares of forest managed by eight traditional communities — a milestone that advocates say could reshape how Indigenous peoples protect and profit from their land.
At a glance
- Ancestral forest rights: Eight traditional communities, known locally as mukim, received legal recognition for 22,549 hectares of forest across three districts in Aceh.
- Customary forest management: Communities plan to zone portions of their forests as protected areas, supply clean water, and reduce disaster risk — with some land reserved for sustainable crops like cacao and betel palm.
- Carbon trading opportunity: Indonesia launched its first carbon emissions trading market in September 2023 C.E., opening a potential new income stream for Indigenous communities that conserve their forests.
Why this moment matters
Aceh holds a special place in Indonesian law. Its mukim system — a traditional administrative layer between subdistrict and ward — has governed forests and communities for centuries. But formal government recognition of mukim land rights had never happened before this decision.
For communities like the Beungga mukim, the wait was seven years. Its chief, Ilyas, told the Kompas daily that his community had proposed recognition for 10,900 hectares. The ministry approved 4,060 hectares. That partial recognition still carries real weight. Ilyas said the mukim plans to zone 1,000 of those hectares as a protected area — a source of clean water and a buffer against natural disasters.
Nasir, chief of the Paloh mukim, described a community already living sustainably: members cultivate betel palm, cacao, and banana while keeping some forest areas entirely off-limits to economic activity. Legal title gives that practice the backing of the state.
The science behind the headline
The recognition comes as research published in the Proceedings of the National Academy of Sciences and other major journals has consistently shown that forests managed by Indigenous and local communities tend to be healthier and store more carbon than those under government or corporate control. Legal title strengthens that advantage by giving communities the standing to exclude outsiders and enforce their own rules.
Indonesia’s new carbon trading market, which launched the same month as the Aceh recognition, could turn that conservation into income. Companies that exceed their emissions quotas can buy credits from projects that remove or avoid carbon — including forest conservation by Indigenous communities. Abdul Hanan, head of Aceh’s forestry agency, called it “an opportunity for Indigenous peoples to protect their forests and receive income from carbon trading in the process.”
A partial victory — and what comes next
The limits of this milestone are significant and worth stating clearly. Thirteen mukims in Aceh are seeking recognition for 144,497 hectares of customary forest — an area nearly the size of London. The ministry has so far recognized just 15% of what communities proposed. Some of the areas the government approved didn’t even match the boundaries the communities themselves had drawn.
Yuli Prasetyo Nugroho, the ministry official who coordinated the verification process, acknowledged that some submitted maps were prepared without full community involvement — a process problem that cut both ways.
Hariadi Kartodihardjo, a forestry policy lecturer at the Bogor Institute of Agriculture, argues that recognition alone is not enough. The government must also educate communities about carbon markets, which are far more complex than familiar forestry businesses like timber sales. Without that support, Indigenous communities risk being sidelined from a market built partly on the value of their forests.
Zulfikar Arma, secretary of the Aceh Indigenous Community Network (JKMA), said 112,712 hectares of unrecognized ancestral forest in Aceh have already been earmarked on the ministry’s map for future recognition. He urged the government to follow through. “There are still many customary forests proposed by other mukims that need to be recognized,” he said.
A foundation to build on
Indonesia is home to some of the world’s most biodiverse and carbon-rich forests. Global Forest Watch data consistently shows Sumatra among the regions with the highest rates of tropical forest loss — making community-based protection not just a matter of rights, but of climate strategy.
The Aceh recognition does not solve the larger problem. But it establishes a legal precedent, demonstrates that the ministry can act, and gives eight communities the formal standing they need to plan, protect, and invest in their forests for generations to come. As Rights and Resources Initiative research has shown globally, that kind of tenure security is often the single most effective tool for keeping forests standing.
For the mukims of Aceh, the work of seven years has produced something tangible: a title, a map, and the legal right to manage a forest that was always theirs.
Read more
For more on this story, see: Mongabay
For more from Good News for Humankind, see:
- Indigenous land rights milestone: 160 million hectares recognized ahead of COP30
- U.K. cancer death rates fall to their lowest level on record
- The Good News for Humankind archive on Indonesia
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