Dị ka òtù America na-anaghị akwụ ụgwọ bụ Plastic Oceans International si kwuo, a na-atụba ihe karịrị tọn 10 nde rọba n'ime oké osimiri kwa afọ. Dị ka National Geographic si kwuo, rọba nwere ike were ihe karịrị afọ 400 ire ere. Kemgbe etiti 1900s, emepụtala plastik ijeri 8,3 ijeri n'ụwa niile. Kedu ka esi atụfu nnukwu ihe mkpofu rọba? Ajụjụ a agbagwojuwo ndị ọkà mmụta sayensị anya kemgbe ọtụtụ afọ.
BioLogiQ, kemgbe mmalite ya na 2011, arụ ọrụ iji mepụta ngwaahịa rọba na gburugburu ebe obibi sitere na ihe ndị a na-emegharị ọhụrụ. "[...] Anyị malitere ime plastik site na mkpofu nduku, kpọmkwem site na starch," Onye isi oche BioLogiQ Stephen Sherman gwara Idaho Statesman nso nso a.
Ihe mejupụtara rọba ọdịnala bụ polymers, ihe ndị nwere nnukwu ụmụ irighiri ihe na-emeghachi onwe ha ugboro ugboro, dị ka polyethylene na polystyrene. Ndị a polymers nwere ike were ọtụtụ narị afọ ire ere.
BioLogiQ na-emejuputa "teknụzụ iQ" nke ya, nke gụnyere iji ihe mgbakwunye dị ka nduku na starch ọka ma ọ bụ glycerin na-emekarị nke sitere na mmanụ nri na abụba anụmanụ na mmepụta plastik.
Plastic nke na-esi na ya pụta na-emebi ngwa ngwa n'ihi na ọ na-adị mfe maka microorganisms imebi ihe ndị dị ka starch na glycerin.