These trees turn CO2 into stone

illuminem summarises for you the essential news of the day. Read the full piece on Sustainability Times or enjoy below:

🗞️ Driving the news: Researchers from the University of Zurich have discovered that certain fig trees in Kenya, Ficus wakefieldii, naturally convert atmospheric carbon dioxide (CO₂) into solid stone-like minerals, offering a potentially groundbreaking natural method of long-term carbon sequestration
• Presented at the Goldschmidt Conference, the study highlights how these trees, working symbiotically with soil bacteria, transform CO₂ into stable calcium carbonate, locking carbon away for decades or longer while enriching soils

🔭 The context: Trees have long been central to climate mitigation strategies, but conventional forest carbon storage is vulnerable to reversal through decay, fire, or logging
• This newly identified process, involving both trees and microbes, converts CO₂ into durable mineral forms, reducing the risk of re-emission
• Similar abilities were noted in other tropical African species, like the iroko tree, but the Kenyan fig’s fruit-bearing and ecosystem benefits make it particularly promising
• The research adds to growing interest in “enhanced mineralization” as a scalable carbon removal pathway

🌍 Why it matters for the planet: The ability to mineralize carbon in situ offers a resilient, nature-based solution to climate change while improving soil fertility and supporting biodiversity
• Unlike typical carbon sinks, which are susceptible to land-use change, mineralized carbon remains stable, potentially over geological timescales
• However, questions remain about how much CO₂ these trees can sequester at scale and whether large-scale planting is ecologically and economically viable

⏭️ What's next: Researchers plan to quantify the sequestration potential of individual trees and assess the feasibility of establishing plantations or integrating these species into sustainable agricultural systems
• Further interdisciplinary research will also examine ecological impacts, biodiversity trade-offs, and policy frameworks needed to responsibly deploy this strategy
• Results could inform nature-based solutions portfolios and regional reforestation programmes

💬 One quote: "This unique process ensures CO₂ is locked away for far longer than conventional forests can achieve, and it enriches soils in the process — a rare win-win," — Mike Rowley of the University of Zurich

📈 One stat: The International Renewable Energy Agency (IRENA) estimates 60–78 million tonnes of end-of-life solar panels by 2050, a reminder of the growing need for durable and innovative climate solutions, including those inspired by nature

Explore carbon credit purchases, total emissions, and climate targets of thousands of companies on Data Hub™ — the first platform designed to help sustainability providers generate sales leads!

Click for more news covering the latest on carbon capture & storage