This article is part of a Synergies series on Next generation trade arrangements for environment and sustainable development. Any views and opinions expressed are those of the author(s) and do not necessarily reflect those of TESS or any of its partner organizations or funders.

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The intersection of trade and climate policy has moved from the margins of international economic governance to its very centre. As of 2026, nearly a quarter of global greenhouse gas emissions are embedded in international trade flows—generated in one country to satisfy consumption in another. This structural reality reveals a profound climate interdependence that trade rules, designed for a different era, are only beginning to address. The question is no longer whether trade policy can support climate action, but how quickly and coherently the multilateral system can adapt before fragmentation undermines both climate and trade objectives.

The structural drivers of this convergence are accelerating. Corporate supply chain decarbonization commitments now cover the majority of global trade by value, with multinational corporations requiring emissions disclosures across all supplier tiers. The EU Corporate Sustainability Reporting Directive (CSRD) mandates value chain emissions reporting for approximately 50,000 companies, while the EU Battery Regulation requires carbon footprint declarations for batteries placed on the EU market, with phased extensions through 2030. Meanwhile, the sustainability-linked trade finance market—valued at $16.4 billion in 2024—is projected to grow at 22.7% annually through 2033, with carbon intensity directly determining credit terms. These simultaneous pressures create a compounding effect: producers face multiple, often divergent carbon accounting requirements from buyers, regulators, and financiers across different markets.

The compliance architecture is becoming increasingly complex. Technical non-tariff measures (NTMs) related to environmental performance now constitute the dominant category of trade-restrictive measures globally. According to UN Trade and Development (UNCTAD), NTMs impose higher export costs than tariffs in 88% of countries. For SMEs in developing countries, the burden is particularly acute. When accredited carbon verification bodies are unavailable domestically, exporters must route products through third countries for testing, adding direct costs and delays. UNCTAD research indicates that least developed countries (LDCs) lose approximately 10% of their export potential to G20 markets due to NTM compliance gaps. The carbon dimension amplifies this challenge: each new methodology for measuring embedded emissions—whether lifecycle-based or process-based—multiplies the compliance burden, as firms must maintain parallel accounting systems for different markets.

Yet within this challenge lies significant opportunity. Countries accelerating their transition to low-carbon production stand to gain market access, operational efficiency, and new revenue streams. Global consumers and multinational corporations increasingly demand sustainable products, creating premium green supply chains that reward early movers. Carbon accounting drives energy and resource efficiency, cutting costs while reducing fossil fuel dependence. Emission reductions can be converted into tradable carbon credits, creating fresh financing channels for green development. Going green is not merely compliance—it is competitive advantage.

Realizing this potential requires addressing four critical structural gaps.

1. Consistency: methodological divergence across the GHG Protocol, ISO standards, national rules, and private standards creates incomparable carbon footprints, with no World Trade Organization (WTO) framework to establish equivalence.
2. Accountability: the absence of a trusted verification system and multilateral registry of credible verifiers erodes data confidence, inviting unilateral border actions.
3. Interoperability: developing countries and LDCs lack the institutional capacity, technical expertise, and data infrastructure to meet emerging requirements, risking marginalization of those who contributed least to the problem.
4. Transparency: no centralized global repository exists for carbon standards and requirements, and the WTO's Environmental Database is not yet fit for this purpose.

Progress towards closing these gaps is happening, but it is piecemeal and poorly connected. At the global level, the ISO and the GHG Protocol are forging strategic partnerships towards unified standards. Regionally, mechanisms like Regional Comprehensive Economic Partnership (RCEP) cooperation are creating templates for coordination. Bilaterally, initiatives such as China-Brazil cooperation on soft commodity standards demonstrate that pragmatic progress is possible. Nationally, standardization efforts are accelerating: China has issued national carbon footprint standards for key products, state-owned enterprises are leading green procurement requirements, and industry-level integrated carbon footprint databases are being established. The challenge is to connect these dots into a coherent ecosystem rather than allowing them to develop in parallel isolation.

The WTO is uniquely positioned to serve as the connective tissue for this ecosystem. The Committee on Trade and Environment (CTE) has emerged as the primary forum for structured dialogue, with members agreeing in February 2026 to begin voluntary, pilot-based information sharing on trade and climate measures—including embedded carbon emissions measurement—from the June 2026 CTE meeting onwards. China has proposed a mapping exercise of carbon standards information and a dedicated thematic session. Japan has circulated a template for information sharing that could be adjusted based on feedback. These are foundational steps, but they must be matched by more ambitious institutional innovation.

Six pathways offer a coherent roadmap for enhanced cooperation.

1. Establish a permanent CTE workstream focused on “coherence and interoperability of carbon standards.”
2. Develop “principles for trade-related carbon standards” to guide members in designing effective, fair, and non-discriminatory measures.
3. Leverage the existing Agreement on Technical Barriers to Trade as a vehicle for carbon standard alignment. 
4. Establish a shared measurement, reporting, and verification (MRV) framework to build trust and comparability.
5. Launch a coordinated, adequately funded capacity building programme channeled through a neutral multilateral body.
6. Facilitate plurilateral cooperation among coalitions of the willing that can move faster than full multilateral consensus allows, while keeping the door open for broader participation.

The intersection of trade and climate is where the next decade of global economic governance will be shaped. The choice is not between climate action and open trade—it is between coordinated, rules-based progress and fragmented, unilateral friction. Platform synergies across the WTO, regional frameworks, and national standardization efforts can turn a potential conflict into a genuine win-win. But this requires moving from recognition to action, from dialogue to architecture, and from piecemeal initiatives to systemic coherence. The window for proactive leadership is narrow and closing. The time to build the bridges is now.

* This article draws on WRI's engagement at the WTO Trade and Environment Week 2026 and ongoing research on the trade-climate nexus. For more information, visit www.wri.org.

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Chen Yang is Research Analyst, Food and Natural Resources Program, WRI China.

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