Take: Public Consultation – Global Biochar C-Sink (Version 4.0)
Take on a YouTube video from Carbon Standards International AG, originally posted 2026-05-01. Watch the source: https://www.youtube.com/watch?v=z1wNkCCxqQk Public Consultation – Global Biochar C-Sink (Version 4.0) is a webinar from Carbon Standards International (CSI) walking through the proposed v4.0 update to its biochar carbon sink methodology. Patritzia, CSI’s chief standard officer, presents the headline change: a new upper persistence class — “C-Sink 1000+” — requiring 90% geologically persistent carbon, validated by either hydropyrolysis (HyPy) or random reflectance analysis. Public consultation is open with a target effective date of May 22. ...