Free Green Carbon Webinar from 19th May 2022 by Oliver Grogono (Standard Gas Ltd, UK). Exploring the carbon dioxide removal accounting of mixed waste feedstocks into biochar using pyrolysis; what characteristics should be assessed and why these are suitable for all carbon dioxide removal projects. And then, why Web3 technology appears to be a suitable candidate to record and distribute information from carbon dioxide removals. This talk was presented as part of the Green Carbon Webinar Series.