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ETH Zurich unveils revolutionary photosynthetic material to absorb CO2 from air and build structures

 Overview of the Material Development

- Swiss research team engineered a living material with cyanobacteria.

- Material captures CO2 via photosynthesis and mineralizes it into stable carbonates.

- Described as "self-repairing" and hardens into a mineral skeleton.

- Suitable for constructing carbon-neutral buildings.

- Stored up to 26 mg of CO2 per gram over 400 days.

Innovation and Sustainability

- Combines dual carbon storage (biomass and mineral) without high energy requirements.

- A significant advancement in climate technology.

- Potential applications include building facades that combat climate change.

How It Works: CO2 Capture Mechanism

- Utilizes cyanobacteria to convert sunlight, water, and CO2 into oxygen and sugars.

- Produces a mineral structure through microbially induced carbonate precipitation (MICP).

- Hardens over time, creating a durable construction material.

- Acts as a ‘self-reinforcing’ framework for carbon sequestration and structural stability.

Study Results

- Demonstrated CO2 storage efficacy over 400 days.

- Biomass production peaks after 30 days; mineralization continues for long-term storage.

- Distinct from conventional carbon-capture systems, which use energy-intensive machinery.

Applications in Construction

- 3D-printable design allows for customizable shapes and structures.

- Potential for building materials like carbon-sucking skyscrapers and green pavements.

- Evolution of urban environments into carbon-neutral ecosystems.

Challenges Ahead

- Material's lifespan needs further testing beyond 400 days.

- Large-scale production could face challenges with nutrient supply and structural integrity.

- Potential solutions include solar-powered nutrient delivery systems and adaptable materials.

Vision for Future Infrastructure

- Breakthroughs like this material could address rising CO2 levels.

- Highlights the importance of biomimicry in climate action.

- If widely deployed, could transform urban landscapes into regenerative ecosystems.

Next Steps

- Focus on scaling technology for real-world applications.

- Emphasizes the fusion of nature and technology for a greener future. 

https://www.naturalnews.com/2025-06-29-eth-zurich-revolutionary-photosynthetic-material-to-absorb-co2.html

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