Commentary. The climate debate has reached a familiar but dangerous stage: the science is becoming more urgent while politics becomes more incremental. The second Global Stocktake is due to begin at COP31 in Antalya, Türkiye, against a backdrop of record heat, disasters and widening questions about whether governments can translate promises into cuts. Our view is straightforward: the next phase of climate policy should be judged less by the ambition of communiqués than by whether emissions actually fall.
That is not an argument for abandoning diplomacy. It is an argument for making diplomacy harder to evade. The United Nations says the world must reduce greenhouse-gas emissions by 18 per cent by 2030, 45 per cent by 2035 and 69 per cent by 2040, all compared with 2025 levels, to return to a pathway consistent with limiting warming to 1.5°C. Those numbers are politically formidable, but their value lies precisely in their clarity: they give voters, investors and courts a test against which governments can measure performance.
The counterargument deserves respect. Rapid decarbonisation can impose real costs, especially on lower-income households and workers in carbon-intensive industries. Governments facing high energy bills and insecure supply cannot simply instruct citizens to absorb more expensive electricity, transport or heating. Developing countries also reasonably point to the historical emissions of wealthy economies and to the financing gap that makes a uniform demand for faster action feel unfair.
Those concerns do not justify delay; they determine what credible action must look like. Climate policy should combine emissions limits with targeted support: rebates for vulnerable households, investment in grids and public transport, retraining for affected workers, and predictable finance for poorer countries. A transition that is socially punitive will lose democratic legitimacy. A transition that protects people while changing the underlying system has a chance to endure.
The risk of fragmented action
Recent policy points in both directions. The European Union’s Carbon Border Adjustment Mechanism is designed to prevent carbon-intensive imports from gaining an advantage over producers subject to European emissions rules. Supporters see it as a way to reduce “carbon leakage” and encourage cleaner production. Critics warn that border measures can look protectionist and may burden exporters in countries with fewer resources to measure and reduce emissions.
That dispute should be settled through transparency and cooperation, not slogans. Border carbon rules need clear accounting, accessible compliance systems and credible arrangements for directing revenues toward climate action and vulnerable trading partners. Otherwise, a policy intended to raise global standards could instead deepen distrust between rich and developing economies.
The United States’ retreat from power-plant carbon controls, as described by the Boston University Environmental Change Initiative, illustrates the opposite problem: when major economies weaken domestic rules, international pledges lose credibility. Other countries may still act, but businesses receive mixed signals and the political case for expensive investment becomes harder to make.
“Deep, fast cuts can still bring it back,” the UN reported in summarising the latest climate assessment. That possibility is not a promise; it is a remaining window.
What COP31 should demand
Our editorial position is that COP31 should produce fewer general declarations and more measurable commitments. Governments should publish sector-by-sector pathways, disclose progress annually, and explain publicly when targets are missed. Finance pledges should identify sources, timelines and recipients. Fossil-fuel expansion should face a test that accounts for both emissions and the risk of stranded infrastructure.
None of this removes the need for energy security. Renewables, storage, efficiency and resilient grids require planning, materials and time. Gas and other transitional sources may remain part of some national strategies, particularly where alternatives are not yet reliable. But “transition” cannot become a permanent excuse for building assets that lock in decades of pollution.
The strongest climate politics is not the politics of purity. It is the politics of delivery: cleaner energy that lowers bills, industrial policy that creates jobs, adaptation that protects communities, and rules stable enough to survive elections. Governments should be held to that standard. The planet cannot vote, but citizens can—and they will increasingly judge climate promises by what changes in their homes, workplaces and air.
Sources: UNEP emissions pathway assessment; UN News climate assessment and COP31 preview; Boston University overview of 2026 climate policy.