|The scum solution|
Savage, N. (2011). The scum solution. Nature (Lond.) 474(7352): s15-s16
In: Nature: International Weekly Journal of Science. Nature Publishing Group: London. ISSN 0028-0836, more
Algae; Biotechnology; Fuels; Marine
The green slime that covers ponds is an efficient factory for turning sunlight into fuel, but growing it on an industrial scale will take ingenuity.