MarissaCuevasFlorescreatedthecompany microTERRA.

Q:Let’stalkaboutenvironmentalscientists.Whydidyouchoosetobecome one?

A:Therearetwokindsofenvironmentalscientists.Bothkindsstudytheenvironmenttolearnhowitbehaves.Theyalsolearnhowpeople affect it.Thefirstkindstudyandobserve.Thesecondkindtrytofixthedamagepeopledo.Iamthesecondkind.ItrytofixtheproblemsI see.

Q:Whatenvironmentalproblemdidyouwantto solve?

A:Waterpollution.Mostofourfreshwaterisusedforfarming.Butmanyfarmsusechemicalstocutdownonweedsandpests.Waterrunofffromthesefarmscancausepollution.Thiswastewatercancausedead zones.

FASTFACT:
Eachyear,millionsoftonsofchemicalsareusedworldwideonourcrops.Someofitgetswashedintoour waterways.

Q:Whatisadead zone?

A:A deadzoneisanareainariver,lake,oroceanthathaslowoxygenlevels.Livingthingsneedoxygen.So,fewthingscanliveintheseplaces.Onethingthatcanaremicroalgae. Theygiveoffoxygen.Theytakeinchemicalsfrom wastewater.

algaeasseenundera microscope

algaeinthe water

Q:How willyoutackle this?

A:Ifoundawaytoupcyclewastewaterandmakeitreusable.Microalgaecanbeusedtocleanpollutedwaterinfish farms.

Fishfarmsareasourceofwater pollution.

Dead zones

Locationand Size 

(insquare kilometers)

size unknown
1 km2

10 km2 

100 km2 

1,000km2

10,000 km2 

Therearemorethan500deadzones worldwide.