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Malaysia, Indonesia to strengthen cooperation against transboundary haze

Indonesia has launched investigations into 57 business entities operating in Kalimantan and Sumatra whose concession areas have been linked to forest fires. The move comes as regional authorities explore deeper collaboration to combat the seasonal haze that affects neighbouring countries.

LSN Malaysia · 9 October 2026

Malaysia, Indonesia to strengthen cooperation against transboundary haze

Indonesian authorities have placed 57 companies under investigation following reports of fires across their concession areas in the fire-prone regions of Kalimantan and Sumatra, according to statements from the country's environment ministry. The probe represents part of broader efforts to address the root causes of transboundary haze that periodically blankets Malaysia and other Southeast Asian nations.

The investigations focus on determining whether the business entities were responsible for land clearing activities that resulted in uncontrolled fires. Both companies operating palm oil plantations and timber concessions have faced scrutiny in previous haze episodes, with enforcement agencies examining whether adequate fire prevention measures were in place.

Malaysian officials have indicated willingness to deepen collaboration with Indonesia on fire prevention and monitoring mechanisms. Such cooperation would build on existing agreements and potentially include enhanced information sharing, joint patrols in border regions, and coordinated enforcement actions against companies found to be negligent.

The seasonal haze, typically occurring during dry months, has prompted calls for stronger accountability measures in Indonesia's plantation and forestry sectors. Regional health authorities have previously warned that transboundary smoke poses significant public health risks, particularly for vulnerable populations including children and the elderly.