Home/Australasia/StartupsArticle
Startups

Australian Climate Tech Startup Develops Ocean-Based Carbon Capture Technology

Sydney-based OceanCO2 secures $25M to deploy ocean-based carbon removal technology that could sequester millions of tons annually.

James Mitchell
By James Mitchell · BRIC.TV
Published Apr 8, 2026 · 4 min read · 1388 views
Australian Climate Tech Startup Develops Ocean-Based Carbon Capture Technology

Key Takeaways

  • •OceanCO2 raises $25M for ocean-based carbon capture
  • •Technology costs 70% less than direct air capture
  • •Pilot projects successfully removed 10,000 tons of CO2
  • •Reduces ocean acidification while capturing carbon

OceanCO2, a Sydney-based climate tech startup, has successfully demonstrated a breakthrough ocean-based carbon capture method and secured $25 million in funding to scale operations. The technology enhances the ocean's natural ability to absorb CO2 through controlled alkalinity enhancement.

Scientific Approach

The company disperses carefully measured alkaline materials in specific ocean locations, increasing the water's capacity to absorb atmospheric CO2. This process mimics and accelerates natural weathering processes that have regulated Earth's climate for millions of years.

Technology Advantages

  • Captures and permanently stores CO2 for 10,000+ years
  • Costs 70% less than direct air capture technologies
  • Improves ocean health by reducing acidification
  • Scalable to gigatonne-level carbon removal

Pilot Results

Initial pilot projects off Australia's coast have successfully removed 10,000 tons of CO2 while showing positive effects on marine ecosystems. The company has signed agreements with major corporations seeking high-quality carbon removal credits.

"We're not just tackling climate change; we're restoring ocean health in the process," said Dr. Emily Carter, founder and Chief Scientist. "This is a true climate solution with multiple environmental benefits."

Related Articles

Chinese AI startup Manus secures $500 million funding for expansion

Chinese AI startup Manus secures $500 million funding for expansion

Chinese AI startup Manus secured over $500 million in funding, boosting its China team after ending a deal with Meta. This move increases its valuation and supports product scaling, reflecting investor confidence in domestic AI infrastructure.

Ramesh Gupta

Oct 21, 2026•6 views
JPMorgan Chase invests $5 billion in startups as part of U.S. security initiative

JPMorgan Chase invests $5 billion in startups as part of U.S. security initiative

JPMorgan Chase invested $5 billion in startups in the first year of its security initiative, exceeding expectations. This rapid investment pace reflects the bank's focus on emerging technologies amid global geopolitical tensions.

Ramesh Gupta

Oct 19, 2026•3 views
DailyObjects secures ₹332 crore in funding led by Xponentia

DailyObjects secures ₹332 crore in funding led by Xponentia

DailyObjects, an Indian lifestyle-tech brand, raised ₹332 crore in funding led by Xponentia Capital Partners, valuing the company at ₹1,050 crore. The funds will support the expansion of 150 brand outlets across India and enhance product development.

Rahul Sharma

Oct 19, 2026•4 views
AI startups secure $438 million in Q3 2026, topping funding charts

AI startups secure $438 million in Q3 2026, topping funding charts

Indian AI startups raised $438 million across 35 deals in Q3 2026, marking a 265% year-on-year increase and leading the funding charts. Despite the surge, investor concerns about valuation froth suggest potential challenges ahead.

Shagun Pandey

Oct 19, 2026•10 views
India startups secure $2.2 billion in Q3 2026 with 210 deals

India startups secure $2.2 billion in Q3 2026 with 210 deals

Indian startups raised $2.2 billion across 210 deals in Q3 2026, a 5% increase year-on-year, despite a 13% decline in deal count. Growth stage startups led the funding, with Bengaluru emerging as the dominant startup hub.

Daniel Brown

Oct 19, 2026•6 views
Cowrywise processes 1 million trades as NGX retail hits ₦4.53 trillion

Cowrywise processes 1 million trades as NGX retail hits ₦4.53 trillion

Nigerian fintech Cowrywise processed over 1 million stock trades within a year of launching its Stocks product, reflecting a surge in retail investor activity. Retail trades on the Nigerian Exchange reached ₦4.53 trillion in the first eight months of 2026, nearly doubling the previous year's volume.

Utkarsh Aggrawal

Oct 18, 2026•4 views