D-Carbon Standards-

50 Areas Urgently Needing International Dual-Carbon Standards and Proposed Standards

I. Foundational General & Accounting Methodology (1–8)

No.	Area	Proposed International Standard
1	Organizational/Corporate Carbon Accounting	Unify ISO 14064-1 and the GHG Protocol Corporate Standard to establish a "dual-badge" international standard, clearly defining the accounting boundaries and reporting requirements for Scopes 1, 2, and 3 [3]
2	Product Carbon Footprint Accounting	Build upon ISO 14067 to establish universal accounting rules covering all consumer product categories, unifying functional units, system boundaries, and default emission factors [1][3]
3	Project-Level Emission Reduction Accounting	Unify ISO 14064-2 and the GHG Protocol Project Standard to establish quantification methodologies for emission reductions from CCUS, renewable energy, energy efficiency improvements, and other project types [3]
4	Carbon Neutrality Claims and Certification	Use ISO 14068-1 as the benchmark to establish a globally unified carbon neutrality claim specification, adhering to the hierarchical principle of "reduce first, offset later"
5	Scope 3 Value Chain Emission Accounting	Establish an international standard for Scope 3 emission accounting covering the full upstream and downstream value chain, resolving disagreements over data acquisition and allocation methods [1]
6	Carbon Footprint Data Quality and Uncertainty	Establish quality grading standards and uncertainty treatment methods for primary data (site-specific data) and secondary data (background data)
7	Product Digital Passport System	Draw on the EU Battery Regulation and ESPR requirements to establish a globally mutually recognized product digital passport standard, enabling full-chain carbon emission data traceability [1]
8	International Mutual Recognition of Carbon Labels	Unify the labeling style, disclosure content, and data quality requirements of carbon labels globally, making them a credible "technical language" in international trade [1]

II. Energy and Power Sector (9–13)

No.	Area	Proposed International Standard
9	Green Power Certification and REC Mutual Recognition	Establish a globally unified green power certificate certification standard, resolving differences in REC accounting methodologies and cross-border mutual recognition issues across countries
10	Green Hydrogen/Green Ammonia Certification	Establish a strict and unified carbon footprint standard for green hydrogen and green ammonia, clearly defining the threshold for production from renewable energy and quantifying full-chain carbon emissions [5]
11	Grid Carbon Emission Factor Accounting	Establish standards for different accounting scenarios (real-time/average/marginal), resolving power modeling—a core point of contention in CBAM and LCA accounting
12	Energy Storage System Carbon Footprint	Establish a full life-cycle carbon footprint standard for energy storage, covering cell production, system integration, operational use, and end-of-life recycling
13	Nuclear Energy Carbon Footprint Accounting	Establish a full-chain nuclear carbon accounting methodology covering uranium mining, fuel processing, power plant construction and operation, and spent fuel treatment

III. Industrial Manufacturing Sector (14–23)

No.	Area	Proposed International Standard
14	Steel Product Carbon Intensity	Build upon ISO/TR 25088 to establish quantitative performance standards for low-carbon technologies such as hydrogen-based metallurgy and CCUS [5]
15	Aluminum Product Carbon Footprint	Unify the accounting boundaries for primary and recycled aluminum, clarifying the carbon offset rules for clean energy electricity and recycled materials
16	Cement and Concrete Carbon Footprint	Establish a carbon footprint standard covering clinker production, cement grinding, and concrete batching, unifying accounting methods for alternative fuels and low-carbon clinker
17	Chemical Product Carbon Footprint	Establish carbon footprint accounting standards for major products in basic and fine chemicals, unifying the carbon comparison methodology between petrochemical-based and bio-based products
18	Electronic Information Product Carbon Footprint	Establish carbon footprint standards for smartphones, servers, chips, and other electronic products, unifying the accounting method for "carbon emissions per unit of computing power"
19	Machinery and Equipment Carbon Footprint	Establish a full life-cycle carbon footprint standard for industrial and construction machinery, covering manufacturing, use, and end-of-life
20	Complete Vehicle Carbon Footprint	Establish an LCA-based "well/ mine-to-wheel" vehicle carbon emission standard, unifying the accounting across materials, batteries, electricity, and recycling stages [5]
21	Battery Product Carbon Footprint	Establish a battery carbon footprint standard covering raw material extraction to end-of-life recycling, unifying rules for power modeling, recycled carbon credits, etc. [1]
22	Photovoltaic Module Carbon Footprint	Establish a full-chain PV carbon footprint standard covering polysilicon, wafers, cells, module manufacturing, and power plant operations
23	Zero-Carbon Factory Assessment	Establish an international standard for zero-carbon factories with a full chain of "accounting → reduction → offsetting → disclosure," replacing the more lenient PAS 2060 approach

IV. Building and Infrastructure Sector (24–27)

No.	Area	Proposed International Standard
24	Building Full Life-Cycle Carbon Emissions	Mandate the disclosure of both "embodied carbon" and "operational carbon," and set carbon emission thresholds for the full life cycle of new buildings [5]
25	Embodied Carbon in Building Materials	Establish an international standard for accounting and disclosing embodied carbon in major building materials such as steel, cement, glass, and timber
26	Carbon Accounting for Existing Building Retrofits	Establish a carbon emission accounting standard for existing building retrofits, covering energy-efficiency improvements, structural reinforcement, and functional upgrades
27	Building Operational Carbon Emissions	Establish measurement and accounting standards for operational carbon emissions from heating, cooling, lighting, ventilation, and other building systems [5]

V. Transportation and Logistics Sector (28–32)

No.	Area	Proposed International Standard
28	Full Life-Cycle Carbon for Road Vehicles	Unify the LCA comparison methodology for gasoline vehicles, EVs, hybrids, and hydrogen fuel-cell vehicles, resolving the global debate over "which is truly lower-carbon"
29	Sustainable Aviation Fuel (SAF)	Establish a full life-cycle carbon intensity standard for SAF, specifying that only fuels meeting the emission reduction threshold can be counted under the CORSIA mechanism
30	Green Marine Fuels	Establish carbon intensity accounting and sustainability certification rules for alternative marine fuels such as green methanol, green ammonia, and hydrogen
31	Freight and Logistics Carbon Footprint	Establish a freight and logistics carbon footprint standard centered on "ton-kilometer carbon emissions," unifying the carbon comparison methodology across different transport modes
32	Public Transport Carbon Efficiency	Establish a carbon efficiency assessment standard for urban public transport centered on "carbon emissions per passenger-kilometer"

VI. Agriculture and Food Sector (33–38)

No.	Area	Proposed International Standard
33	Farm-Level Carbon Footprint of Agricultural Products	Unify the accounting of on-farm carbon emissions from crop cultivation and livestock farming, including non-CO₂ greenhouse gases such as methane and nitrous oxide [1]
34	Land-Use Change Carbon Accounting	Unify carbon emission accounting rules for land-use changes such as deforestation, grassland conversion to cropland, and peatland utilization
35	Food Processing Carbon Footprint	Establish a carbon footprint standard for the food industry from raw material processing to finished products, unifying accounting for packaging, cold-chain, and transportation
36	Livestock Methane Accounting	Establish standard accounting methodologies for methane emissions from enteric fermentation in ruminants, manure management, and other livestock sources
37	Paddy Rice Methane Accounting	Establish methane emission factors and accounting methodologies for paddy rice under different cultivation practices and climatic zones
38	Agricultural Carbon Sink Accounting	Establish methodological standards for agricultural carbon sinks such as soil organic carbon sequestration, agroforestry, and conservation tillage

VII. Textile and Fashion Sector (39–40)

No.	Area	Proposed International Standard
39	Textile Fiber Carbon Footprint	Establish a carbon footprint standard with "per kilogram of fiber" as the functional unit, unifying the carbon comparison methodology for synthetic, natural, and recycled fibers
40	Garment/Apparel Carbon Footprint	Establish a full-chain apparel carbon footprint standard covering "fiber → spinning/weaving → dyeing/finishing → garment manufacturing → retail → use → disposal"

VIII. Circular Economy and Waste Sector (41–43)

No.	Area	Proposed International Standard
41	Recycled Material Carbon Reduction Accounting	Establish a standard for calculating the carbon emission offsets and system boundaries when recycled materials replace virgin materials
42	Waste Treatment Carbon Accounting	Unify carbon emission accounting methodologies for landfill, incineration, composting, recycling, and other waste treatment methods [5]
43	Packaging Dual-Metric Standard	Establish a "recyclability + carbon footprint" dual-metric standard to prevent "greenwashing"

IX. Carbon Removal and Natural Carbon Sinks (44–46)

No.	Area	Proposed International Standard
44	Direct Air Capture (DAC)	Establish an international standard for DAC technology covering carbon removal quantification, energy consumption, and permanence assessment of sequestration
45	Carbon Mineralization Sequestration Technology	Establish quantitative assessment and permanence monitoring standards for carbon mineralization technologies such as basalt mineralization and steel slag mineralization
46	High-Quality Carbon Credit Certification	Establish an international certification standard for carbon removal credits covering dimensions such as "permanence," "quantifiability," and "additionality"

X. Emerging Technologies and Other Areas (47–50)

No.	Area	Proposed International Standard
47	Data Center Carbon Efficiency	Establish a data center carbon efficiency standard centered on "carbon emissions per unit of computing power" or "energy consumption per bit of data" [5]
48	Artificial Intelligence Carbon Footprint	Establish a carbon emission accounting standard covering the entire process of AI model training, inference, and deployment
49	CCUS Technology Standards	Establish technical specifications and carbon accounting standards for the full chain of CO₂ capture, transport, utilization, and storage [6]
50	Industrial Decarbonization Transition Planning	Establish a systematic methodology standard for sectoral decarbonization transition planning, providing standardized transition pathways for high-carbon industries [6]

💎 From 50 Areas to a Standardization System Framework

The 50 areas above are not a simple list—they form a complete matrix of international dual-carbon standardization systems:

Foundational Layer (1–8): Accounting methodologies, data quality, carbon neutrality claims—these are the standards for standards
Energy Layer (9–13): Green power, green hydrogen, power grids, energy storage—these are the "source" of the zero-carbon transition
Manufacturing Layer (14–23): Steel, aluminum, cement, chemicals, electronics, automobiles—these are the "heavy emitters"
Building Layer (24–27): Full building life cycles and building materials—these are the "foundation" of urban carbon neutrality
Transportation Layer (28–32): Vehicles, aviation, shipping, logistics—these are the "lifelines" of mobile emissions
Agriculture Layer (33–38): Cultivation, livestock, land use—this is the "main battlefield" of non-CO₂ emissions
Consumer Layer (39–43): Textiles, apparel, packaging—these are the "front end" reaching consumers
Tech Layer (44–50): DAC, CCUS, AI carbon footprint, data centers—these are the "increments" for the future

The ISO-GHG Protocol partnership has already laid the foundation for the integration of corporate, product, and project-level accounting standards [4]. The 50 sector-specific standards above represent the full extension of this "global common language" across industries. Those who can first propose scientific, equitable, and operable standard solutions in these sectors will hold the discourse power in the next generation of global green trade rules.

References

📌 Core Foundation: The Historic ISO-GHG Protocol Partnership

In September 2025, the International Organization for Standardization (ISO) and the Greenhouse Gas Protocol (GHG Protocol) announced a strategic partnership aimed at integrating their existing greenhouse gas standards systems to jointly develop unified international standards for corporate, project, and product-level accounting [1]. The ISO Secretary-General called this collaboration "a new era for carbon accounting" [1], and the ISSB Chair stated that this partnership will "further refine the globally recognized GHG accounting baseline." This provides the top-level framework foundation for the 50 sector-specific standards above.

📊 Distribution of Standards Developments by Sector