Standardization in the field of environment related to climate change such as low carbon process in the iron and steel industry.

Quick links


Published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 17/SC 21/AHG 1   Study of ISO 14404 series Working group
ISO/TC 17/SC 21/WG 1   Revision of ISO 14404-3 Working group
ISO/TC 17/SC 21/WG 2   Guidelines for application of low-carbon technologies in steel plants Working group
ISO/TC 17/SC 21/WG 3   Life cycle inventory Working group


Liaison Committees from ISO/TC 17/SC 21

ISO/TC 17/SC 21 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 207/SC 5 Life cycle assessment ISO
ISO/TC 207/SC 7 Greenhouse gas and climate change management and related activities ISO
ISO/TC 308 Chain of custody ISO


Organizations in liaison (Category A and B)
Acronym Title Category
IEA - énergie International Energy Agency A
World Steel Association World Steel Association A

Date Month Location TC/SC Note
24-25 September 2024 Stockholm (Sweden) ISO/TC 17/SC 21  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 17/SC 21 - Secretariat

JISC [Japan]

Japanese Industrial Standards Committee
Technical Regulations, Standards & Conformity Assessment Policy Unit
Ministry of Economy, Trade and Industry
1-3-1, Kasumigaseki, Chiyoda-ku
Tokyo 100 - 8901

Tel: +81 3 35 01 94 71
Fax: +81 3 35 80 86 37