▁to ▁manually ▁clean ▁st ret ches ▁of ▁be aches ▁to ▁be ▁much ▁less ▁than ▁anticip ated . ▁ ▁Most ▁poll uted ▁and ▁clean est ▁be aches ▁in ▁the ▁world ▁ ▁Most ▁poll uted ▁be aches ▁Many ▁research ers ▁report ▁that ▁the ▁ocean ▁curr ents ▁transfer ▁floating ▁l itter ▁by ▁the ▁five ▁subt rop ical ▁gy res . ▁Thus , ▁anth rop oc ent ric ▁marine ▁de br is ▁is ▁present ▁in ▁all ▁o ce ans , ▁be aches ▁and ▁at ▁the ▁sea ▁surface , ▁even ▁the ▁Ar ctic ▁sea ▁ice ▁contains ▁small ▁pl ast ics ▁particles ▁or ▁micro - pl ast ics . ▁According ▁to ▁B hat ia ▁( 2 0 1 9 ), ▁the ▁ten ▁most ▁poll uted ▁be aches ▁in ▁the ▁world ▁are :{ ▁▁ ▁" type ": ▁" Feature Collection ", ▁▁ ▁" features ": ▁[ ▁▁▁▁ ▁{ ▁▁▁▁▁▁ ▁" type ": ▁" Feature ", ▁▁▁▁▁▁ ▁" properties ": ▁{}, ▁▁▁▁▁▁ ▁" geometry ": ▁{ ▁▁▁▁▁▁▁▁ ▁" type ": ▁" Point ", ▁▁▁▁▁▁▁▁ ▁" co ordinates ": ▁[ ▁▁▁▁▁▁▁▁▁▁▁ 1 0 3 . 9 5 5 7 2 6 6 2 3 5 3 5 1 6 , ▁▁▁▁▁▁▁▁▁▁▁ 1 0 . 2 2 0 4 9 7 3 0 3 4 6 2 9 7 6 ▁▁▁▁▁▁▁▁ ▁] ▁▁▁▁▁▁ ▁} ▁▁▁▁ ▁}, ▁▁▁▁ ▁{ ▁▁▁▁▁▁ ▁" type ": ▁" Feature ", ▁▁▁▁▁▁ ▁" properties ": ▁{}, ▁▁▁▁▁▁ ▁" geometry ": ▁{ ▁▁▁▁▁▁▁▁ ▁" type ": ▁" Point ", ▁▁▁▁▁▁▁▁ ▁" co ordinates ": ▁[ ▁▁▁▁▁▁▁▁▁▁▁ 9 8 . 7