Fern Fuel

Fifty million years ago, a tiny floating fern flourished in the balmy Arctic, blanketing its surface. Now scientists are investigating whether this plant — which can double in biomass every two days — might provide a sustainable source of fuel, chemicals, and protein. Meet Azolla in my latest article for the European Geosciences Union’s GeoQ newsletter.

Credit: Ingrid Taylar
Credit: Ingrid Taylar
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