Kugadzirwa kwenyika plastics inowedzera gore rega rega (288 mamirioni matani, ndiko kuti, anopfuura 2,9% muna2012), zvakanangana nekukura kwehuwandu, uye zvichidaro, nekuwedzera kwehuwandu hwe marara.
Yakaonekwa muma1950, idzi zvinhu huzhinji hunopindura mukushandisa kwakawanda kusingadzivisike nhasi. Nekuda kwehunhu hwavo - hutsanana, kuramba kushamiswa, nezvimwe--, mapurasitiki chikamu chehupenyu hwedu hwezuva nezuva, kunyanya mupaketi, iyo parizvino inomiririra 66% yeiyo marara plastics.
La kubudisa nyika yemabhegi epurasitiki akafashukira muma1970, achisvika manhamba ekuongorora nyeredzi pagore. Iyo yakawanda yakawanda yemarara inopedzisira yatora nzira ye mapaipi, nzizi negungwa. Iyo mipiro yepanyika ivo nekudaro vanomiririra 80% yemarara anosvika pagungwa.
Kana ari marara marine, isu tinoona kuti iwo anonyanya kubva mugungwa mavambo mu Atlantic uye yepasi pano mu Mediterranean. Matani mamirioni matanhatu emarara anodzingwa gore rega rega nezvikepe. MuNorth Sea, 90% yemarara yakawanikwa iri kuputira kwepurasitiki (mabhegi, mabhodhoro).