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Prometheus
company has established a megaton-scale DAC plant
Images
that can capture carbon dioxide at a cost of $100-$230
¨ÏGetty
per ton. In addition, in the American city of Boston,
artificial structures called TREEPODS, which resemble
theformoftrees,arehelpingcarbonreductionprograms.
TREEPODSmimictheformoftheDragonBloodTree,*
whichresemblesanumbrella,andnotonlyprovideshade
butserveasurbanlightingtowers.Airandcarbondioxide
meetstructuresdispersedinbranchesandthesestructures
selectively capture only carbon dioxide in the contacted
¡ãLanza Tech collaborates with Lululemon to make yoga clothes with
threadsandfabricsmadefromemittedcarbon.
airthroughreactionsbasedonliquidmethod.Inaddition,
a new economic effect on the gem and precious metals
thereisaplantoinstallDACinfactoriesthatrequirepure
market.
carbon dioxides, such as soda and dry ice plants. These
The collected carbon can be reborn not only as
examplesshowthattherearevariouswaystoutilizeDAC.
diamonds, which are minerals, but also as fibers often
used in everyday life. Lanza Tech, a carbon-based
*Dragon Blood Tree: It is a plant that grows on Tenerife Island in the Canary
Islands. Thousands of hook-shaped branches extending from a single stem
company in Chicago, collaborated with Lululemon of
grow with pointed leaves. Its name comes from the fact that the sap of this
treeisbloodred.
Canada, a world-renowned sportswear company, for
the first time in the world to create threads and fabrics
CCUSandDACcombined
through emitted carbon. Carbon dioxide (CO2) was
Can you believe that the carbon dioxide emitted by
convertedintoethanol(C©üH?O)tomakeapolyesterfabric
humans could be turned into diamonds? When CCUS
and reborn as yoga clothes. Large amounts of carbon
and DAC are combined, carbon can be reborn into
are emitted during the manufacture of yoga clothes, and
various materials, one of which is lab-grown diamonds.
yoga clothes using carbon-recycled fibers have great
After converting the collected carbon dioxide into a
environmentalsignificanceinthattheyrecycletheemitted
hydrocarbon,* which is the raw material of a diamond,
carbonratherthanemitcarbonduringthemanufacturing
heat and pressure are applied to complete the diamond.
process. In addition to diamonds and yoga clothes, food
Lab-grown diamonds have the same chemical properties
containers and concrete can be produced using recycled
as natural mined diamonds and are not visually
carbon. The transformation of carbon with CCUS and
distinguishable. In addition, such diamonds have been
DAC has environmentally friendly, as well as economic,
certified by the International Gemological Institute (IGI),
effects.
an international appraisal agency, along with natural
diamonds. Artificial diamonds made of carbon are
*Hydrocarbon: An organic compound composed solely of carbon and
cheaper than natural diamonds and require less time to
hydrogen.
produce. Lab-grown diamonds can be expected to have
DAC is rapidly emerging as an innovative solution to the carbon problem. However, DAC is not a definitive solution.
Professor Park notes that humans should not rely on DAC alone, but should make efforts to reduce carbon emissions and
enter the minus-carbon stage. While it is still true that DAC can be one of the current countermeasures against carbon
growth,itwillonlydelaythelastmomentsofmankind.Theissueofhumancarbonneutralityisnowatimebomb-liketask
for mankind, and it is too late to leave this task to technology alone. In other words, human efforts to voluntarily reduce
carbonshouldbecontinued.Howaboutpracticingcarbonneutralityindailylifefromnowonforafuturewhereeveryone
canbreathealittlemorecomfortably30yearsfromnow?
hyorin58@hufs.ac.kr
24
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