host ▁g ear ▁that ▁is ▁the ▁size ▁of ▁many ▁football ▁fields ▁has ▁been ▁found ▁at ▁the ▁Great ▁Pacific ▁Gar bage ▁P atch ▁constit uted ▁in ▁ 2 0 1 8 . ▁The ▁disc arded ▁fish ing ▁n ets ▁and ▁lines ▁kill ▁or ▁inf lict ▁my ri ad ▁marine ▁animals ▁such ▁as ▁fish , ▁sh arks , ▁wh ales , ▁dol ph ins , ▁sea ▁t urt les , ▁se als , ▁and ▁marine ▁birds ▁every ▁year . ▁And ▁about ▁ 3 0 % ▁of ▁fish ing ▁populations ▁have ▁been ▁decl ining ▁and ▁% 7 0 ▁other ▁marine ▁animals ▁suffer ▁by ▁abandoned ▁g ears ▁each ▁year . ▁Besides , ▁the ▁huge ▁fish ing ▁industry ▁is ▁an ▁important ▁driver ▁of ▁decl ines ▁marine ▁e col ogy ▁by ▁over f ishing ▁activities . ▁Over f ishing ▁causes ▁when ▁big ▁fish ing ▁vessels ▁catch ▁tons ▁of ▁fish ▁faster ▁than ▁stock ▁ref ills . ▁Moreover , ▁over f ishing ▁impact s ▁ 4 . 5 ▁billion ▁people ▁who ▁depend ▁on ▁at ▁least ▁ 1 5 % ▁of ▁fish ▁for ▁protein , ▁and ▁fish ing ▁is ▁the ▁principal ▁liv elihood . ▁ ▁Ben ef its ▁of ▁beach ▁clean ing ▁ ▁Public ▁Health ▁ ▁C lean ▁be aches ▁have ▁many ▁benefits ▁for ▁human ▁health ▁because ▁the ▁poll uted ▁be aches ▁may ▁imper il ▁human ▁lives ▁by ▁beach ▁acc idents . ▁Many ▁items ▁left ▁on ▁be aches ▁such ▁as ▁broken ▁glass es , ▁sharp ▁met als , ▁or ▁hard ▁pl ast ics ▁may ▁inj ure ▁beach - go ers ▁phys ically