![]() ![]() ![]() The T-shirt's colour is created with black algae inkĬarbon black is created by taking heavy petroleum and subjecting it to a process called pyrolysis, in which it is burned in a controlled environment in the absence of oxygen to produce a fine, highly-pigmented powder that's almost pure carbon. "This is essentially storing the sequestered carbon in soil."Īt the same time, using the algae ink also avoids the emissions associated with the production of conventional black pigment, known as carbon black, which is used to colour everything from garments to tyres, plastics, paints and even cosmetics. "The black algae-derived pigments will stay as an inert, safe, stable piece of carbon in the soil," he told Dezeen.
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