When torrential rains pounded Sumatra in late November 2025, floods and landslides swept across three provinces, killing more than 1,200 people—and pointing an accusatory finger at PT Toba Pulp Lestari, a major pulpwood company whose deforestation practices had stripped the watershed of protection. Now, Indonesia's oldest and largest environmental group, Walhi, is stepping into a government lawsuit against the company to ensure the full scale of ecological devastation is recognized by the courts.
The case matters because environmental lawsuits in Indonesia often reduce complex ecosystem damage to a single metric: money. The environment ministry filed suit in January 2026 seeking 3.89 trillion rupiah—roughly $214 million—in damages and restoration orders. But Walhi, by formally intervening in the Medan District Court on May 20, 2026, is arguing that the government's case, while substantial, misses something critical: the destruction of critical orangutan and tiger habitats that require their own dedicated restoration.
The scope of the damage is staggering. Within PT Toba Pulp Lestari's former concession area in North Sumatra, the environment ministry identified 1,261.5 hectares of open land requiring restoration—both abiotic components like soil and water systems, and biotic ones including vegetation, fauna, and microorganisms. Satellite imagery shows forest clearance extending beyond the company's concession boundary itself, suggesting the ecological footprint runs even deeper than official maps indicate.
What makes Walhi's intervention significant is not that it thinks the ministry is asking for too little. Rather, the environmental group is insisting that any funds recovered through the lawsuit be directed toward on-the-ground restoration activities that specifically protect wildlife. The ministry's proposal already includes detailed restoration plans: cross-drainage systems and retention ponds to reduce runoff, tree planting on slopes steeper than 40 degrees, ground-cover planting along riverbanks, and soil rehabilitation through fertilizer and compost application. TPL would have three years to complete the work following court approval. But without explicit protection for orangutan and tiger habitats, Walhi argues, restoration becomes generic land-fixing rather than ecosystem recovery.
PT Toba Pulp Lestari is no minor player. Originally founded by billionaire Sukanto Tanoto, whose agribusiness conglomerate Royal Golden Eagle sprawls across Southeast Asia, the company is now majority-owned by a Hong Kong-based investment firm. For decades, it has faced accusations of encroaching on customary Indigenous lands and driving deforestation tied to plantation expansion.
The government is pursuing the case under strict liability—a legal doctrine that holds a party responsible for environmental damage regardless of intent. The ministry need not prove negligence or malice; it simply must establish that damage occurred and link it to the company's activities. This shifts the burden substantially: rather than TPL arguing it didn't mean to cause harm, the company must answer for the harm that clearly exists.
The floods of November 2025 killed over 1,200 people across Sumatra. In January 2026, the government revoked forest-use licenses for PT Toba Pulp Lestari and 27 other companies. Walhi's intervention signals that Indonesia's environmental advocates won't accept surface-level accountability. The courtroom battle ahead will determine whether restoration orders protect livelihoods and ecosystems alike.