{"id":991186,"date":"2026-02-09T13:25:59","date_gmt":"2026-02-09T13:25:59","guid":{"rendered":"https:\/\/ukpostcode.org\/content\/?p=991186"},"modified":"2026-02-09T13:25:59","modified_gmt":"2026-02-09T13:25:59","slug":"gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology","status":"publish","type":"post","link":"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/","title":{"rendered":"Gigablue secures \u00a314.5M to scale marine carbon removal technology"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Gigablue_secures_145M_to_scale_marine_carbon_removal_technology_%E2%80%94_full_details\" title=\"Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 full details\">Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 full details<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#About_the_company\" title=\"About the company\">About the company<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Funding_details\" title=\"Funding details\">Funding details<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#How_the_technology_works\" title=\"How the technology works\">How the technology works<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Step-by-step_process\" title=\"Step-by-step process\">Step-by-step process<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Monitoring_and_verification\" title=\"Monitoring and verification\">Monitoring and verification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Commercial_traction\" title=\"Commercial traction\">Commercial traction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Why_investors_are_interested\" title=\"Why investors are interested\">Why investors are interested<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Scientific_debate_risks\" title=\"Scientific debate &amp; risks\">Scientific debate &amp; risks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#What_this_means\" title=\"What this means\">What this means<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Bottom_line\" title=\"Bottom line\">Bottom line<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Gigablue_secures_145M_to_scale_marine_carbon_removal_technology_%E2%80%94_case_studies_and_comments\" title=\"Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 case studies and comments\">Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 case studies and comments<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#_Case_studies\" title=\"\u00a0Case studies\">\u00a0Case studies<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#1_Aviation_decarbonization_%E2%80%94_SkiesFifty_carbon-credit_purchase\" title=\"1) Aviation decarbonization \u2014 SkiesFifty carbon-credit purchase\">1) Aviation decarbonization \u2014 SkiesFifty carbon-credit purchase<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Why_it_matters\" title=\"Why it matters\">Why it matters<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#2_Corporate_climate_commitments_%E2%80%94_emerging_carbon_removal_market\" title=\"2) Corporate climate commitments \u2014 emerging carbon removal market\">2) Corporate climate commitments \u2014 emerging carbon removal market<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#What_this_shows\" title=\"What this shows\">What this shows<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#3_Nature-based_carbon_removal_at_scale_%E2%80%94_biological_pump_mimicry\" title=\"3) Nature-based carbon removal at scale \u2014 biological pump mimicry\">3) Nature-based carbon removal at scale \u2014 biological pump mimicry<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Comparable_approach\" title=\"Comparable approach\">Comparable approach<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#_Expert_comments_industry_reactions\" title=\"\u00a0Expert comments &amp; industry reactions\">\u00a0Expert comments &amp; industry reactions<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Positive_reactions_%E2%80%94_investors_climate_sector\" title=\"Positive reactions \u2014 investors &amp; climate sector\">Positive reactions \u2014 investors &amp; climate sector<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Scientific_concerns_%E2%80%94_skepticism_from_researchers\" title=\"Scientific concerns \u2014 skepticism from researchers\">Scientific concerns \u2014 skepticism from researchers<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Key_debate\" title=\"Key debate\">Key debate<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Regulatory_market_tension\" title=\"Regulatory &amp; market tension\">Regulatory &amp; market tension<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#_Big-picture_interpretation\" title=\"\u00a0Big-picture interpretation\">\u00a0Big-picture interpretation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/ukpostcode.org\/content\/gigablue-secures-14-5m-to-scale-marine-carbon-removal-technology\/#Final_takeaway\" title=\"Final takeaway\">Final takeaway<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Gigablue_secures_145M_to_scale_marine_carbon_removal_technology_%E2%80%94_full_details\"><\/span>Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 full details<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ocean-climate startup Gigablue<\/strong> has raised <strong>\u00a314.5 million (\u2248 $20 million) in fresh funding<\/strong> to accelerate deployment of its ocean-based carbon dioxide removal (CDR) technology \u2014 a system designed to pull CO\u2082 from the atmosphere and permanently store it deep in the sea.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"About_the_company\"><\/span>About the company<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Founded:<\/strong> 2022<\/li>\n<li><strong>Focus:<\/strong> Marine carbon removal (\u201cblue carbon\u201d)<\/li>\n<li><strong>Goal:<\/strong> Gigaton-scale CO\u2082 removal to support global net-zero targets<\/li>\n<li><strong>Approach:<\/strong> Combine biology, chemistry and AI-driven ocean modeling<\/li>\n<\/ul>\n<p>Gigablue\u2019s mission is to enhance the ocean\u2019s natural carbon cycle using a method known as <strong>Microalgae Carbon Fixation and Sinking (MCFS)<\/strong>. (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Funding_details\"><\/span>Funding details<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Amount:<\/strong> \u00a314.5M (~$20M) Series A first close<\/li>\n<li><strong>Lead investor:<\/strong> Planet Ocean Capital<\/li>\n<li><strong>Use of funds:<\/strong> Scale commercial deployments and monitoring systems (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/li>\n<\/ul>\n<p>The investment reflects growing confidence that high-integrity carbon removal will be required alongside emission reductions to reach climate goals. (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"How_the_technology_works\"><\/span>How the technology works<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gigablue does <strong>not capture CO\u2082 with machines on land<\/strong>.<br \/>\nInstead, it enhances a natural ocean process called the <strong>biological carbon pump<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step-by-step_process\"><\/span>Step-by-step process<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>The company deploys specially engineered mineral-nutrient particles into targeted ocean zones.<\/li>\n<li><strong>Phytoplankton grow on the particles<\/strong>, absorbing dissolved CO\u2082 through photosynthesis.<\/li>\n<li>Once biomass accumulates, the particles sink \u2014 carrying carbon to the deep ocean for centuries-long storage. (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/li>\n<\/ol>\n<p>The system relies mainly on:<\/p>\n<ul>\n<li>sunlight<\/li>\n<li>seawater<\/li>\n<li>gravity (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<p>Gigablue claims its method improves natural carbon sequestration efficiency by <strong>orders of magnitude<\/strong> and can store carbon for hundreds to thousands of years. (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Monitoring_and_verification\"><\/span>Monitoring and verification<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To prove the carbon is actually removed, the company uses a Measurement, Monitoring, Reporting and Verification (MMRV) framework including:<\/p>\n<ul>\n<li>environmental DNA sampling<\/li>\n<li>water chemistry analysis<\/li>\n<li>in-situ sensors<\/li>\n<li>deep-sea monitoring tools (<a title=\"Gigablue Raises $20 Million to Scale Ocean-Based Carbon Removal Solution - ESG Today\" href=\"https:\/\/www.esgtoday.com\/gigablue-raises-20-million-to-scale-ocean-based-carbon-removal-solution\/?utm_source=chatgpt.com\">ESG Today<\/a>)<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Commercial_traction\"><\/span>Commercial traction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gigablue already has early buyers for carbon credits:<\/p>\n<ul>\n<li>Agreement to remove <strong>200,000 tons of CO\u2082 over four years<\/strong> for aviation sustainability firm SkiesFifty (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<p>The company aims to reach <strong>gigaton-scale removal by 2035<\/strong>. (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement\" href=\"https:\/\/www.globenewswire.com\/news-release\/2025\/01\/14\/3009159\/0\/en\/Gigablue-Announces-Largest-Ocean-Carbon-Removal-Agreement-with-SkiesFifty-Capturing-200-000-Tons-Over-Four-Years.html?utm_source=chatgpt.com\">GlobeNewswire<\/a>)<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Why_investors_are_interested\"><\/span>Why investors are interested<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Carbon removal is becoming essential because:<\/p>\n<ul>\n<li>emissions cuts alone won\u2019t meet climate targets<\/li>\n<li>heavy industries (aviation, shipping, cement) need offsets<\/li>\n<li>oceans naturally store most of Earth\u2019s carbon<\/li>\n<\/ul>\n<p>Marine solutions could be cheaper and scalable compared to direct-air-capture plants.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Scientific_debate_risks\"><\/span>Scientific debate &amp; risks<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Not all scientists are convinced yet:<\/p>\n<ul>\n<li>Limited public data on long-term effectiveness<\/li>\n<li>Concerns about ecosystem impacts<\/li>\n<li>Potential interference from marine life or bacteria (<a title=\"Takeaways from AP report on company that sold 200,000 carbon credits to remove CO2 from ocean\" href=\"https:\/\/apnews.com\/article\/fbf9676103e95919f7b9a2e05d34d0b2?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<\/ul>\n<p>This reflects a wider debate around ocean geo-engineering technologies.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"What_this_means\"><\/span>What this means<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>If successful:<\/strong><br \/>\nGigablue could unlock one of the lowest-cost large-scale carbon removal pathways.<\/p>\n<p><strong>If not:<\/strong><br \/>\nIt highlights the risk of relying on carbon credits before full scientific validation.<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"Bottom_line\"><\/span>Bottom line<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The \u00a314.5M funding round positions Gigablue among the fast-growing \u201cblue carbon\u201d startups attempting to make the oceans a major climate solution. The technology shows strong commercial interest \u2014 but scientific scrutiny remains hig<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gigablue_secures_145M_to_scale_marine_carbon_removal_technology_%E2%80%94_case_studies_and_comments\"><\/span>Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 case studies and comments<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Below are <strong>real-world examples, industry parallels, and expert reactions<\/strong> that help explain why Gigablue\u2019s funding matters \u2014 and why it\u2019s controversial.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Case_studies\"><\/span>\u00a0Case studies<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"1_Aviation_decarbonization_%E2%80%94_SkiesFifty_carbon-credit_purchase\"><\/span>1) Aviation decarbonization \u2014 SkiesFifty carbon-credit purchase<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Use case:<\/strong> Airlines can\u2019t eliminate emissions fast enough with fuel alone, so they buy long-term carbon removal.<\/p>\n<ul>\n<li>Gigablue signed a deal to remove <strong>200,000 tons of CO\u2082 over four years<\/strong> for aviation sustainability firm SkiesFifty (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<li>The method grows phytoplankton on special particles, then sinks the carbon to the deep ocean (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<li>Aviation views removal credits as necessary because sustainable aviation fuel supply is insufficient (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_it_matters\"><\/span>Why it matters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Airlines are among the hardest sectors to decarbonize. Gigablue becomes a <strong>\u201clast-mile climate solution\u201d<\/strong> \u2014 removing emissions that cannot be prevented.<\/p>\n<p>Impact:<\/p>\n<ul>\n<li>Creates demand for marine carbon removal markets<\/li>\n<li>Helps aviation aim for net-zero by 2050<\/li>\n<li>Shows buyers are willing to pay before tech is fully proven<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"2_Corporate_climate_commitments_%E2%80%94_emerging_carbon_removal_market\"><\/span>2) Corporate climate commitments \u2014 emerging carbon removal market<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gigablue isn\u2019t alone. Major companies already fund ocean carbon removal:<\/p>\n<table>\n<thead>\n<tr>\n<th>Company<\/th>\n<th>Technology<\/th>\n<th>Buyer<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ebb Carbon<\/td>\n<td>Ocean alkalinity enhancement<\/td>\n<td>Microsoft (<a title=\"A drop in the ocean: does experimental technology hold the key to saving the world's seas?\" href=\"https:\/\/www.theguardian.com\/environment\/2025\/jun\/10\/ocean-does-experimental-technology-saving-seas-acidification-geoengineering?utm_source=chatgpt.com\">The Guardian<\/a>)<\/td>\n<\/tr>\n<tr>\n<td>Equatic<\/td>\n<td>Electrochemical ocean capture<\/td>\n<td>Boeing (<a title=\"A drop in the ocean: does experimental technology hold the key to saving the world's seas?\" href=\"https:\/\/www.theguardian.com\/environment\/2025\/jun\/10\/ocean-does-experimental-technology-saving-seas-acidification-geoengineering?utm_source=chatgpt.com\">The Guardian<\/a>)<\/td>\n<\/tr>\n<tr>\n<td>Planetary Technologies<\/td>\n<td>Ocean chemistry enhancement<\/td>\n<td>Investors &amp; industry (<a title=\"A drop in the ocean: does experimental technology hold the key to saving the world's seas?\" href=\"https:\/\/www.theguardian.com\/environment\/2025\/jun\/10\/ocean-does-experimental-technology-saving-seas-acidification-geoengineering?utm_source=chatgpt.com\">The Guardian<\/a>)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"What_this_shows\"><\/span>What this shows<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gigablue funding is part of a bigger shift:<br \/>\nCarbon removal becoming <strong>climate infrastructure<\/strong>, not just offsets.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"3_Nature-based_carbon_removal_at_scale_%E2%80%94_biological_pump_mimicry\"><\/span>3) Nature-based carbon removal at scale \u2014 biological pump mimicry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gigablue\u2019s technology copies the ocean\u2019s natural carbon cycle:<\/p>\n<ul>\n<li>Uses Microalgae Carbon Fixation and Sinking (MCFS) (<a title=\"Gigablue Announces Series A First Close At Davos 2026 | Ocean News &amp; Technology\" href=\"https:\/\/oceannews.com\/news\/science-technology\/gigablue-announces-series-a-first-close-at-davos-2026\/?utm_source=chatgpt.com\">Ocean News &amp; Technology<\/a>)<\/li>\n<li>Stores carbon in deep ocean for hundreds to thousands of years (<a title=\"Carbon Removals \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/carbonfutures?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<li>Uses AI to select deployment zones (<a title=\"Gigablue\" href=\"https:\/\/www.gigablue.co\/?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Comparable_approach\"><\/span>Comparable approach<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Project Vesta spreads minerals on beaches to accelerate natural carbon absorption (<a title=\"Project Vesta\" href=\"https:\/\/en.wikipedia.org\/wiki\/Project_Vesta?utm_source=chatgpt.com\">Wikipedia<\/a>)<\/p>\n<p>Insight:<br \/>\nClimate tech is shifting from machines \u2192 <strong>enhancing natural Earth systems<\/strong><\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Expert_comments_industry_reactions\"><\/span>\u00a0Expert comments &amp; industry reactions<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"Positive_reactions_%E2%80%94_investors_climate_sector\"><\/span>Positive reactions \u2014 investors &amp; climate sector<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Why investors funded the company<\/strong><\/p>\n<ol>\n<li>Massive scale potential\n<ul>\n<li>Aiming for gigaton-level removal (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<\/li>\n<li>Low-energy process\n<ul>\n<li>Uses sunlight, water, and gravity (<a title=\"Gigablue Announces Largest Ocean Carbon Removal Agreement with SkiesFifty, Capturing 200,000 Tons Over Four Years \u2014 Gigablue\" href=\"https:\/\/www.gigablue.co\/news\/skiesfifty-200kton-carboncredit-announcement-gigablue?utm_source=chatgpt.com\">Gigablue<\/a>)<\/li>\n<\/ul>\n<\/li>\n<li>Needed for unavoidable emissions\n<ul>\n<li>Energy, aviation, and AI infrastructure demand removal (<a title=\"Gigablue Announces Series A First Close At Davos 2026 | Ocean News &amp; Technology\" href=\"https:\/\/oceannews.com\/news\/science-technology\/gigablue-announces-series-a-first-close-at-davos-2026\/?utm_source=chatgpt.com\">Ocean News &amp; Technology<\/a>)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>Translation:<br \/>\nThe world likely <strong>cannot reach net-zero without carbon removal<\/strong> \u2014 so capital is rushing in early.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Scientific_concerns_%E2%80%94_skepticism_from_researchers\"><\/span>Scientific concerns \u2014 skepticism from researchers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Some ocean scientists warn the technology may not work as claimed:<\/p>\n<ul>\n<li>Algae may not grow effectively on particles (<a title=\"An Israeli startup says its new technology will save the planet. Scientists have doubts\" href=\"https:\/\/apnews.com\/article\/06be29dd4dd2e8d3c0f92ac20e9ea193?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<li>Particles could be eaten or degraded before sinking (<a title=\"Takeaways from AP report on company that sold 200,000 carbon credits to remove CO2 from ocean\" href=\"https:\/\/apnews.com\/article\/fbf9676103e95919f7b9a2e05d34d0b2?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<li>Possible ecosystem impact similar to ocean fertilization (<a title=\"An Israeli startup says its new technology will save the planet. Scientists have doubts\" href=\"https:\/\/apnews.com\/article\/06be29dd4dd2e8d3c0f92ac20e9ea193?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<li>Lack of peer-reviewed public data (<a title=\"An Israeli startup says its new technology will save the planet. Scientists have doubts\" href=\"https:\/\/apnews.com\/article\/06be29dd4dd2e8d3c0f92ac20e9ea193?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<\/ul>\n<blockquote><p>Experts questioned whether enough carbon would actually be stored.<\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"Key_debate\"><\/span>Key debate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Investors:<\/strong> speed matters<br \/>\n<strong>Scientists:<\/strong> proof matters<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Regulatory_market_tension\"><\/span>Regulatory &amp; market tension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Carbon removal credits are currently ahead of regulation:<\/p>\n<ul>\n<li>Verification frameworks still developing (<a title=\"Gigablue Announces Series A First Close At Davos 2026 | Ocean News &amp; Technology\" href=\"https:\/\/oceannews.com\/news\/science-technology\/gigablue-announces-series-a-first-close-at-davos-2026\/?utm_source=chatgpt.com\">Ocean News &amp; Technology<\/a>)<\/li>\n<li>Private buyers determine success for now (<a title=\"Takeaways from AP report on company that sold 200,000 carbon credits to remove CO2 from ocean\" href=\"https:\/\/apnews.com\/article\/fbf9676103e95919f7b9a2e05d34d0b2?utm_source=chatgpt.com\">AP News<\/a>)<\/li>\n<\/ul>\n<p>This makes Gigablue both:<\/p>\n<ul>\n<li>A climate breakthrough candidate<\/li>\n<li>A potential carbon-credit bubble risk<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Big-picture_interpretation\"><\/span>\u00a0Big-picture interpretation<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Gigablue represents a new category of climate startup:<\/p>\n<table>\n<thead>\n<tr>\n<th>Traditional climate solutions<\/th>\n<th>New climate solutions<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Reduce emissions<\/td>\n<td>Remove emissions<\/td>\n<\/tr>\n<tr>\n<td>Energy efficiency<\/td>\n<td>Planet-scale geoengineering<\/td>\n<\/tr>\n<tr>\n<td>Proven technologies<\/td>\n<td>Experimental but scalable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The funding shows investors believe:<\/p>\n<blockquote><p>Future climate economy = carbon removal + energy transition<\/p><\/blockquote>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"Final_takeaway\"><\/span>Final takeaway<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Gigablue\u2019s \u00a314.5M raise is important not because the technology is proven \u2014<br \/>\nbut because <strong>buyers are already paying for the result.<\/strong><\/p>\n<ul>\n<li>Companies need removal to meet climate targets<\/li>\n<li>Scientists still want proof<\/li>\n<li>Regulators are catching up<\/li>\n<\/ul>\n<p>The company sits at the center of the biggest climate debate today:<br \/>\n<strong>Should we deploy fast or validate first?<\/strong><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gigablue secures \u00a314.5M to scale marine carbon removal technology \u2014 full details Ocean-climate startup Gigablue has raised \u00a314.5 million (\u2248 $20 million) in fresh funding&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,6],"tags":[],"class_list":["post-991186","post","type-post","status-publish","format-standard","hentry","category-gb-news","category-uk-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gigablue secures \u00a314.5M to scale marine carbon removal technology - UK News &amp; 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