As Indonesia cuts methane emissions, life atop a mountain of garbage begins to change

BANTARGEBANG, Indonesia (AP) — Long before dawn breaks over Indonesia ’s largest landfill, Nur Wencih joins thousands of waste pickers climbing mountains of garbage, searching for anything they can sell.

The 35-year-old widow has worked at the site on Jakarta’s eastern edge for two decades, following her parents, who still earn a living there. The Bantargebang landfill has paid for food and rent while helping her two teenage daughters living with a relative in a rural village. She hopes her daughters will never have to follow the same path.

Living alone in a rented room near the landfill, Wencih earns about 200,000 rupiah ($12) on a good day collecting discarded toys, cardboard and plastic bottles before bulldozers bury them beneath fresh waste. Occasionally, she finds gold jewelry.

“It feels like hitting a jackpot,” Wencih said while taking a break from the sweltering July heat.

But those lucky finds, and perhaps her livelihood, may soon become far rarer.

Beginning Aug. 1, Indonesia plans to start transforming the site from open dumping to a more controlled system as part of a national waste management plan. The government last month announced it will shut down open-dumping operations at 343 of Indonesia’s 550 disposal sites, requiring them to transition to controlled or sanitary landfill systems and gradually accept only garbage that cannot be recycled or composted, such as diapers, dirty paper towels and stickers.

Meanwhile, residents are being asked to set aside organic waste and recyclables for separate processing, a practice many households have never been taught to do on a large scale.

Dudi Gardesi Asikin, head of Jakarta’s Environment Agency, said the policy aims to improve environmental health, reduce pollution and curb emissions of methane generated by decomposing waste.

Methane is responsible for roughly one-third of global warming and traps more heat than carbon dioxide, making it a key focus of worldwide climate efforts. U.N. Secretary-General António Guterres, for example, is urging governments to sharply reduce methane emissions, calling it one of the fastest ways to slow global warming.

A landfill at the center of the methane debate

Researchers say Bantargebang emits more methane than nearly any other landfill in the world, placing it at the center of Indonesia’s waste management reforms.

Asikin said Bantargebang opened in 1989 as a sanitary landfill equipped to collect methane. Unlike open dumps, sanitary landfills also cover waste with soil.

But after a private-sector contract ended in 2016, the facility gradually drifted toward open dumping.

“What was never intended to be open dumping became full open dumping,” Asikin said.

Only two of the landfill’s original 12 methane extraction wells remain operational, Asikin said.

Under the new plan, parts of Bantargebang are already being covered with tarps, and officials hope to cover much more. Asikin estimated that covering the rest of the disposal area could cost as much as 200 billion rupiah ($12 million).

Uncertain future for waste pickers

Indonesia faces a dilemma as it attempts one of its biggest waste-management reforms in decades while also protecting the livelihoods of an estimated 600,000 waste pickers.

At Bantargebang alone, officials estimate more than 4,000 registered waste pickers work among trucks, excavators and mountains of garbage each day. The materials they recover are sorted and sold to a network of traders and recycling businesses that have grown around the landfill.

“What worries me most is how I will feed my family,” Wencih said of the new plan, while excavators behind her pushed fresh waste onto exposed slopes.

Asikin said the government wants to improve conditions for waste pickers, who already receive some workplace protections and healthcare through a national social security program.

He believes the new policy will eventually create safer formal jobs in recycling and composting.

“Today they are practically racing against our excavators to grab recyclable materials. It is extremely dangerous,” he said.

Bunin, a 53-year-old neighborhood chief who lives nearby, said while the landfill causes pollution, it also creates business opportunities including rental housing and food stalls catering to waste pickers.

“The landfill not only brings negative impacts, there are also economic benefits,” said Bunin, who like many Indonesians uses a single name.

A landfill at its limits

Covering roughly 110 hectares (272 acres), Bantargebang has grown into a human-made mountain reaching as high as 60 meters (196 feet), roughly the height of a 20-story building. About 7,500 tons of waste arrive daily from the capital city.

“The waste people produce does not disappear. It is gathered in one place and has become a mountain,” said Agung Pujo Winarko, who heads the facility.

A collapse triggered by heavy rain in Bantargebang in March killed seven people, underscoring the risks posed by the landfill’s sheer scale.

“This situation is extremely urgent,” Winarko said. “Its carrying capacity is reaching, or even exceeding, its limits.”

Satellite data analyzed by UCLA’s STOP Methane initiative ranked Bantargebang in 2025 as the world’s second-largest landfill methane emitter after a site in Argentina.

Evan George from UCLA’s Emmett Institute on Climate Change and the Environment said reducing organic waste entering landfills could lower emissions, but that existing landfills will still require decades of monitoring and gas collection.

Changing Jakarta’s throwaway culture

Under the new approach, Jakarta residents are expected to separate food scraps and other organic waste from recyclables and residual trash before collection. New refuse-derived fuel plants are also part of the plan.

“What we are doing is somewhat revolutionary,” Asikin said. “For decades, people were never asked to separate their waste.”

But many households are only beginning to learn the system, raising questions about whether enough public education has taken place.

“All we know is to throw the trash in the bin, not to sort it,” said Rukasih Wanti, a Central Jakarta resident. “The new rule is confusing us. It’s inconvenient, creates extra work and wastes our time.”

Asikin said multiple government institutions, including education and health ministries, are supporting the efforts.

Environmental advocates say new recycling and composting infrastructure is also needed. The transition is daunting because government data shows only about one-quarter of Indonesia’s daily waste is currently handled by formal systems, with the remainder dumped, burned or otherwise unmanaged.

David Sutasurya, executive director of the environmental organization YPBB, said about half of Jakarta’s waste is compostable and another 30% recyclable, meaning up to 80% could be kept out of landfills.

“We delayed transforming our waste-management system for too long, and only realized the problem when landfills were already close to full,” Sutasurya said.

In a West Jakarta neighborhood, Monica T. Anggriani has spent more than a decade persuading neighbors to separate household waste, building a community waste bank that now processes about one ton of organic waste daily through composting, maggot cultivation and urban farming.

“Our generation was never taught to separate waste,” Anggriani said. “If we don’t start now, nothing will change in the future.”

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Associated Press writer Jennifer McDermott in Providence, Rhode Island, contributed to this report.

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