Google backs Danish startup using ancient bacteria to ferment CO2 into valuable chemicals

Danish startup Again has raised money… again. Google Ventures and Berlin-based HV Capital led the $43mn funding round, which brings the startup’s total to date to just shy of $100mn. Again takes waste CO₂ from industry, combines it with hydrogen and then feeds the concoction to a host of millennia-old bacteria. The little germs devour the brew, turning it into commercial-grade compounds like acetate. This is the base chemical in everything from plastics and cosmetics to paint. Again spun out from over a decade of research led by Dr. Torbjørn Jensen and Professor Alex Nielsen at the Danish Technical University,…

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