▁pro sec uted ▁. ▁ ▁In ▁more ▁than ▁thirty ▁countries ▁in ▁Europe , ▁South ▁Africa , ▁New ▁Zealand , ▁Canada , ▁Costa ▁Rica , ▁South ▁America ▁and ▁the ▁Car ib bean , ▁the ▁best ▁recre ational ▁be aches ▁are ▁awarded ▁Blue ▁Flag ▁status , ▁based ▁on ▁such ▁criteria ▁as ▁water ▁quality ▁and ▁safety ▁provision . ▁Sub sequ ent ▁loss ▁of ▁this ▁status ▁can ▁have ▁a ▁severe ▁effect ▁on ▁tour ism ▁reven ues . ▁ ▁Be aches ▁are ▁often ▁dump ing ▁grounds ▁for ▁waste ▁and ▁l itter , ▁necess it ating ▁the ▁use ▁of ▁beach ▁clean ers ▁and ▁other ▁clean up ▁projects . ▁More ▁significantly , ▁many ▁be aches ▁are ▁a ▁dis charge ▁zone ▁for ▁un tre ated ▁se w age ▁in ▁most ▁under develop ed ▁countries ; ▁even ▁in ▁developed ▁countries ▁beach ▁closure ▁is ▁an ▁occas ional ▁circumst ance ▁due ▁to ▁san it ary ▁se wer ▁overflow . ▁In ▁these ▁cases ▁of ▁marine ▁dis charge , ▁water bor ne ▁disease ▁from ▁f ec al ▁path og ens ▁and ▁cont am ination ▁of ▁certain ▁marine ▁species ▁are ▁a ▁frequent ▁outcome . ▁ ▁Art ific ial ▁be aches ▁Some ▁be aches ▁are ▁artificial ; ▁they ▁are ▁either ▁permanent ▁or ▁temporary ▁( For ▁examples ▁see ▁Mon aco , ▁Paris , ▁C open hagen , ▁Rot ter dam , ▁Not ting ham , ▁Toronto , ▁Hong ▁Kong , ▁Singapore , ▁and ▁T ian jin ). ▁ ▁The ▁so othing ▁qual ities ▁of ▁a ▁beach ▁and ▁the ▁pleasant ▁environment ▁offered ▁to ▁the ▁beach go er ▁are ▁rep licated