# Public consultations

## Open public consultations

Public consultations are open for a minimum of 30 days. All relevant details can be accessed here with the results of these consultations.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><p>The <strong>Rainbow Biogenic carbon capture and storage methodology</strong> is open for public consultation, from April 21st to May 21st .<br>🔎 Provide your feedback <a href="https://tally.so/r/ja9gda">here</a>! </p><p>👉 Read the methodology <a href="https://docs.rainbowstandard.io/~/changes/229/methodologies/biogenic-carbon-capture-and-storage-bioccs">here</a></p></td><td></td><td></td></tr></tbody></table>

Would you like to be notified of future consultations? Please [**contact us.**](https://rainbowstandard.io/general-inquiries)

## Closed public consultations

<table><thead><tr><th width="201">Document</th><th width="163">Start date</th><th width="153">Closing date</th><th>Useful links</th></tr></thead><tbody><tr><td>Distributed open and closed kiln biochar</td><td>Feb 6th, 2026</td><td>March 17th, 2026</td><td><em>Responses to comments coming soon</em></td></tr><tr><td>Rainbow Standard Rules V7.0 and Procedures Manual V3.0</td><td>November 25th 2025</td><td>December 28th 2025</td><td><a href="https://docs.google.com/spreadsheets/d/1gRDKokI60uxEt2r9t7ZmQ7g9k01gleDdJRY3RTIPKxY/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Enhanced rock weathering V1.0</td><td>April 3 2025</td><td>May 5, 2025</td><td><a href="https://drive.google.com/file/d/1o3QMayulqBfXPNkWdc1CpQPQC5ItBgtH/view?usp=drive_link">Responses to comments</a></td></tr><tr><td>Mineralization of alkaline materials ex situ V1.0</td><td>June 20, 2025</td><td>July 23, 2025</td><td><a href="https://drive.google.com/file/d/1NamE0k-p2MAQYlellw4tceakcuYj2oz5/view?usp=sharing">Responses to comments</a></td></tr><tr><td>BiCRS: Marine sub-sediment burial v1.0</td><td>February 7, 2025</td><td>March 10, 2025</td><td><a href="https://docs.google.com/spreadsheets/d/1R0NklcRAmwKM9DfnYlk_XH9p6Uw8_BF3P4NcWxmjoK4/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Battery second life v1.0</td><td>December 4, 2024</td><td>January 6, 2025</td><td><a href="https://docs.google.com/spreadsheets/d/1Syy6FHN7ZrBdA6oYQHoaeItXEO0tX5XbB10NClNizJo/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Biomass Carbon Removal Storage v1.0</td><td>September 12, 2024</td><td>October 12, 2024</td><td><a href="https://docs.google.com/spreadsheets/d/1nfeViGu0Xx1mTsp2iOTZuTt7oy4z9pavkCWtF0NezRE/edit?gid=1359453849#gid=1359453849">Responses to comments</a></td></tr><tr><td>Biogas from anaerobic digestion v3.0</td><td>May 27, 2024</td><td>June 28, 2024</td><td><a href="https://docs.google.com/spreadsheets/d/1u_HjJ2B2D2Q454txweboWYNDbMKSoeacp4L6qvuDmR0/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Electronic device refurbishing v2.0</td><td>April 23, 2024</td><td>May 24, 2024</td><td><a href="https://docs.google.com/spreadsheets/d/1bzjf5aFUqHtjDIQqEoqS4KGjuAaHkn0U_l5zVl-rW5k/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Riverse Standard Rules v6</td><td>March 12, 2024</td><td>April 12, 2024</td><td><a href="https://docs.google.com/spreadsheets/d/1jdicooEKzfVWYHj2NtKYKgMJ5lSeX7hwxEQnCKmpnWI/edit?usp=sharing">Responses to comments</a></td></tr><tr><td>Biobased Construction Materials Methodology v2.0</td><td>January 24, 2024</td><td>March 1, 2024</td><td><a href="https://www.youtube.com/watch?v=s0IpqxGA2kA&#x26;ab_channel=Riverse">Watch the webinar<br></a><br><br><a href="https://docs.google.com/spreadsheets/d/1FFCd-9A2dNL7fVAAInW8nkdfnUoLSZyzIWmlmZMfbV8/edit#gid=1272317981">Responses to comments</a></td></tr><tr><td>Riverse Standard Rules for European Greentechs v5</td><td>February 1, 2023</td><td>March 8, 2023</td><td><a href="https://www.youtube.com/watch?v=tc8qOJ3kNpc">Watch the webinar</a><br><br><a href="https://docs.google.com/spreadsheets/d/1Y7y-evrxHlfLXle6C0RNDffvzLbtEPBWPDLnZonnoTo/edit?usp=sharing">Responses to comments</a></td></tr></tbody></table>

Access all archived versions of Rainbow Standard Documents and methodologies here :point\_down:

{% content-ref url="../other/archived-methodologies" %}
[archived-methodologies](https://docs.rainbowstandard.io/other/archived-methodologies)
{% endcontent-ref %}


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