Carbon to Sea (CTS) is the largest non-commercial initiative evaluating if and how marine carbon dioxide removal (mCDR) could be part of the global response to climate change. We focus on accelerating the evaluation of ocean alkalinity enhancement (OAE), which, in the view of leading scientists, offers high potential for safety, efficacy, and scale.
Carbon to Sea Initiative
NGO · United States · EU Transparency Register 0122708105461-82
Counts here are a floor, never a total: they cover the 326 consultation files tracked so far (29,503 submissions, mostly 2025–26), so an organization's real filing history is larger, not smaller.
Who they are
Among the 784 non-governmental organisations on this site, they rank #489 by legislative files engaged — a count of participation, not a measure of influence.
Declares membership of
- We are not a member of associations
- networks
- or similar. As a funder
- we provide foundational science
- technology development
- field research
- and policy grants: https://www.carbontosea.org/funding/
Self-declared to the EU Transparency Register (snapshot 30 Aug 2026).
- Register category
- Non-governmental organisations
- Registered as
- Carbon to Sea Initiative, Inc. (Carbon to Sea)
- Head office
- New York City, United states
Self-declared to the EU Transparency Register (snapshot 30 Aug 2026); cost bands are floors, not audited totals. Reused under Commission Decision 2011/833/EU.
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Their record over time
Carbon to Sea Initiative filed 1 position on 2 Aug 2026, across 1 of the 326 legislative files tracked here, attaching a full position paper 1 time.
What they argued
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Everything on this page comes from Carbon to Sea Initiative’s own submissions to the European Commission — we have added nothing and interpreted nothing. If something is wrong or out of date, email info@policyspeak.com and we will correct it. If you are an individual named in a record, our privacy policy sets out your rights to correction, objection and removal.
Quotes are verbatim from submissions published by the European Commission, trimmed to their opening passage and never summarized by a model. Organizations only, never individuals. Reused under Commission Decision 2011/833/EU; the European Commission is not liable for this reuse.