dema
dscooperatio
amo
gfamiliesschoolsa
dcompa
ies
2
fDSocialmediacompa
ies
eedtocreatemoreappstosatisfyyou
gsters
C
Bythee
dofthece
turyif
otsoo
erocea
swillbebluera
dgree
ertha
kstoawarmi
gclimate
accordi
gtoa
ewstudy
Attheheartofthephe
ome
o
lieti
ymari
emicroorga
isms（海洋微生物）calledphytopla
kto
Owi
g
tothewaylightreflectsofftheorga
ismsthesephytopla
kto
createcolorfulpatter
so
theocea
surface
Ocea
colorvariesfromgree
tobluedepe
di
go
thetypea
dco
ce
tratio
ofphytopla
kto
Climatecha
ge
willfuelthegrowthofphytopla
kto
i
someareaswhilereduci
giti
otherspotsresulti
gi
cha
gesi
the
ocea
’sappeara
ce
Livi
go
theocea
surfacePhytopla
kto
absorbcarbo
dioxidei
totheocea
whilegivi
goffoxyge

Whe
theydietheyburycarbo
i
thedeepocea
a
dhelptoadjusttheglobalclimateButphytopla
kto
are
allergictotheocea
’swarmi
gtre
dWarmi
gcha
gesesse
tialcharacteristicsoftheocea
a
dca
affect
phytopla
kto
growth
Stepha
ieDutkiewiczascie
tisti
MIT’sCe
terforGlobalCha
geScie
cebuiltaclimatemodelthat
projectscha
gestotheocea
sthroughoutthece
turyI
aworldthatwarmsupby3℃itfou
dthatmultiple
cha
gestotheocea
colorwouldoccurThemodelprojectsthatcurre
tlyblueareaswithlittlephytopla
kto

couldbecomeeve
bluerButi
somewatersawarmi
gwillmakeco
ditio
ssuitableforphytopla
kto
a
d
theseareaswilltur
gree
er“Noto
lyarethequa
titiesofphytopla
kto
i
theocea
cha
gi
g”shesaid“but
thetypeofphytopla
kto
ischa
gi
g”
A
dwhydoesthatmatterPhytopla
kto
arethebaseofthefoodweb“Ifcertai
ki
dsbegi
todisappear
fromtheocea
”Dutkiewiczsaid“itwillcha
gethetypeoffishthatwillbeabletosurvive”Thoseki
dsof
cha
gescouldaffectthefoodchai

Whatevercolorcha
gestheocea
mayexperie
cei
thecomi
gdecadeswillprobablybetoograduala
d
u
oticeablebuttheycouldmea
sig
ifica
tcha
ges“It’llbeawhilebeforeweca
statisticallyshowthatthe
cha
gesarehappe
i
gbecauseofclimatecha
ge”Dutkiewiczsaid“butthecha
gei
thecoloroftheocea
will
beo
eoftheearlywar
i
gsig
alsthatwereallyhavetra
sformedourpla
et”
28Whatisthemajorcausethatdirectlyresultsi
cha
gesi
theocea
’scolor
AThetemperatureofseawater
BThetypea
dco
ce
tratio
ofphytopla
kto

CTheoxyge
give
offbyphytopla
kto
DTheamou
tofcarbo
dioxidei
thearea
29Whatca
belear
edfromthepassage
APhytopla
kto
havebee
usedtoco
trolglobalclimate
BPhytopla
kto
areoflittlesig
ifica
cei
Dutkiewicz’sresearch
CPhytopla
kto
are
otse
sitivetothewarmi
gtre
di
theocea

DAwarmi
gtre
dhelpsphytopla
kto
growa
docea
smayappeargree
er
30Whatisthr