Q:WhatdoesyourmicroTERRA do?
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A:Wetakefishfarmwastewaterandgiveittoourmicroalgae.Thiscleansthewatersothewatercanbereused.Itsavesalotofwater,too.Italsohelpsstopdownstreampollutionthatwilldestroyecosystems.
Ourcompanyusesaspecialstrainofmicroalgae.Whenitgoesthroughphotosynthesis, itproducesprotein.Wethenprocesstheproteinfromthemicroalgaeintofoodforthe fish.
Q:Howdoyougrowthe microalgae?
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A:Microalgaearemicroscopic.So,westartinthelabonasmallscale.Weknowwhatthemicroalgaelike.Weknowwhattheyneedtogrow.Andweknowwheretheythriveingeneral.Butwehavetoscaleupbecauseagricultureis huge.
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Q:So,toscaleitup,youhavetogrowmassiveamountsof microalgae?
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A:Weuseabioreactor.Wehavepretreatment [in the lab].Wehavebioreactorswherethemicroalgaegrowandaharvestertocollectthebiomass.Buildingtheharvesterwasachallenge.Ithadtoholdlargequantitiesofwastewater.Ithadtobecheapandeasytomanage, too.
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Microalgaeconvertexcessnutrientsinwaterintoprotein.Theyalsorelease oxygen.
Q:Isitdangeroustoworkwith wastewater?
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A:Wastewaterisfullofharmfulbacteria.Weuseglovesandwearmasksandgownsfor protection.
![](/nationalgeographic/pathfinder_january_february_2021/seeking_solutions_3/959828/aglaebucket.800_0_1.jpg)
Floresexaminesatankfullofwastewaterand algae.
Afarmcreates wastewater.
Wastewaterisprocessedwith microalgae.
Cleanwaterandproteinare produced.
Proteinismadeintofish food.
Foodisusedtofeedfishon
the farm.
CircularEconomy
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Q:Doyouhaveanyadviceforpeoplewhomightwanttobecomeenvironmental scientists?
![](/nationalgeographic/pathfinder_january_february_2021/seeking_solutions_3/959821/profile_picture.128_0_1.png)
A:Iwouldsaytostartonsmallprojects.Thinkofdifferentwaysyoucanreducewasteorpollutants.Itcouldbesomethinglikeatinywatertreatmentpond.Everytinyexperimentcounts!Telleveryoneaboutwhatyouaredoing.Maybeyoucanshareideasandsolveproblems together.