In growing algae for biofuels, it matters who used the water last

 

By Sarah Loftus, PhD Candidate, Duke University Program in Ecology, Duke University. Pools at an algae farm in Borculo, east Netherlands. AP Photo/Arthur Max Health food enthusiasts routinely shell out over $30 per pound of dried algae powder to whip up green smoothies to fuel their bodies. Algae can also power vehicles, but algae-based renewable fuels…

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