There’s something profound about what Indonesia’s new Second NDC (2031–2035) asks of the world: a brave promise wrapped in pragmatism, a claim to moral leadership anchored in messy politics at home. Read closely, however, and the document feels less like a bold leap and more like a carefully judged step — one that risks leaving the planet behind while protecting political and economic comfort. The question for COP30 in Belém is simple and stark: will Jakarta sharpen this promise into genuine leadership, or will it let a diplomatic flourish mask a tepid plan?
First the blunt numbers. The SNDC now uses 2019 as its baseline and lays out absolute emissions trajectories: roughly 1,258–1,489 MtCO₂e for 2035 depending on growth scenarios — a world away from the 50–70% cuts experts say a 1.5°C pathway requires. Under the low-growth scenario emissions barely fall below 2019 levels; under the high-growth pathway they rise. Those figures come from Indonesia’s own submission.
That gap between rhetoric and arithmetic matters. International analysts are blunt: Climate Action Tracker labels Indonesia’s policies ‘Critically Insufficient’. In public, leaders promise an energy transition; on paper, the SNDC paints a far gentler picture — one still anchored to coal, to vested interests, and to forest sinks whose integrity is fragile. In short: nice words, limited cuts.
A few slices of reality make the uncomfortable choice unavoidable. The SNDC expects renewables to supply only about 19–23% of the power mix by 2030 — a figure that jars with louder political rhetoric about rapid green transition — and relies heavily on forest-sector “net sinks” to make the maths add up. That’s a perilous wager: forests are both politically contested and physically vulnerable to fires, plantation expansion and governance gaps. Put bluntly, banking a nation’s climate credibility on forests without fully securing land rights and enforcement is a high-stakes gamble.
At home, Jakarta has given itself one of the important building blocks: Presidential Regulation No.110/2025, which formally creates Indonesia’s carbon-pricing and trading architecture. In design, it’s promising — a registry, MRV rules, and pathways to domestic and international trading. But regulatory design is only the start. Implementation will demand ironclad MRV, transparency to prevent double-counting, and accountable use of revenues. Those are exactly the kinds of governance challenges Indonesia has struggled with before.
The finance question is another hard truth. The SNDC’s investment needs — hundreds of billions across 2031–35 — dwarf current flows. Indonesia’s Just Energy Transition Partnership (JETP) pledge of roughly US$20–22 billion over a decade is helpful, but it’s a drop in an ocean of need. Mobilising capital will require rigorous project pipelines, credible MRV to attract buyers of carbon credits, and real safeguards so local communities and workers aren’t left paying the bill.
The diplomatic and moral knot is clear. A global sympathy is needed: Indonesia is a rising economy with deep development imperatives and millions have been lifted out of poverty by growth. Yet sympathy doesn’t excuse complacency. Indonesia’s choices have outsized global consequences — it stewards vast tropical forests and is a major emitter. If Jakarta leans on weak targets and incomplete governance, the credibility of Southern leadership at COP30 could fray — and with it, the prospects for scaled international finance and sensible carbon-market rules that everyone, including Indonesia, needs.
There is an alternative pathway here — practical, political, and humane. As an initial point, split the accounting: be explicit about what forests will do and what the energy transition must deliver. Set a legally-backed coal phase-out timetable with interim milestones and funding for workers and communities. In addition, make Perpres 110’s carbon market work for people: ringfence revenues for just-transition programs, local restoration, and clear titling for customary forests so that Indigenous stewards are beneficiaries, not victims, of the carbon economy. Another key dimension, beef up MRV now — not later — so that credits sold abroad represent real, verifiable removals. A robust registry, audited inventories, and clear corresponding adjustments will unlock real international demand and confidence.
If Indonesia can do this, COP30 will be the stage where words are turned into instruments — where a Global-South leader leverages forest value for communities, not for political theatre. If it doesn’t, global will have witnessed another moment where climate diplomacy outpaces climate delivery: a supportive hand to finance credible transitions, and a firm insistence on clarity, accountability and justice.
At its best, climate policy is not a choice between growth and decency; it’s a program for shared, sustainable prosperity. Indonesia’s SNDC is not yet that program. But the document is also not an immutable bargain. With courage and clarity, Jakarta can convert a cautious diplomatic offer into a plan that actually bends the curve — for its people, its neighbours, and the fragile atmosphere all share; COP30 offers the opportunity.
