ISO/DIS 25283-1:2026

This document specifies the general guidelines and advisory specifications for Ocean Negative Carbon Emissions and Carbon Neutrality (ONCE-CN), including terms and definitions, technical scope, data quality, and reporting requirements. This document applies to activities involving the research, development, implementation, and assessment of ocean carbon sinks. It aims to provide guidance on relevant technologies and methods, promoting global cooperation and standardization in the field of ocean negative carbon emissions.