It’smiddayoffthecoastofCancún,Mexico.You’reonaboatgettingreadyforareefdive.Youcheckyourgear.Thenyoutipbackwardofftheboatintotheclear,cool water.


Asyouswimdown,youseesomethingneartheseabed.Youdescendtonearly10meters(32feet).There,youcomeface-to-facewith… anotherface.Afacemadeofstone!Itispartofastatuecoveredinclumpsofalgaeand corals.


Thisisnottheonlystatueyousee.Therearemany.What’sgoingonhere?YoudoveintothemiddleofMUSA,a500-sculptureunderwatermuseum.Thisplaceisanartificialreef. ItwascreatedtoprotectsomeofMexico’snaturalreefs.Manyhavebeendamagedbystorms,boatanchors,and tourism.

Bigeyesliketheselivenearcoral reefs.

TheValueofReefs

Ouroceanscover71percentofEarth’ssurface.Theyhold97percentoftheplanet’swater.Werelyonouroceansfortheairwebreathe.Oceanplantsproducehalfoftheworld’soxygen.Oceanwatersabsorbalmostone-thirdofcarbondioxideemissions.TheoceansalsoregulatetheweatherandplayacrucialroleinEarth’swater cycle.

CoralreefsarethelargestlivingstructuresonEarth.Theyplayakeyroleinkeepingouroceanshealthy.Reefsalsoprotectshorelinesfromstormsandhightides.Reefsprovidefood,shelter,andprotection.Theyarespawningareasforfishandothermarineorganisms.Theyarestudyareasforscientists.Andmillionsofpeopleworldwidecountoncoralreefseverydayforfoodorincomefrom fishing.

ThisnaturalreefintheRedSeaisfullofmarine life. 

ReefsinTrouble

Unfortunately,increasedhumanactivityisputtingastrainonthehealthofouroceansandreefs.Threatsincludefishingmethodsthatdamagereefs.Carelesstourism,pollution,andclimatechangethreatenthereefs, too.


HereinCancún,Mexico,morethan400,000touristsvisitedthenaturalreefseveryyear.Manyofthemwerebeginningdiverswhocausedmoredamagethanexperienced divers.

Thisreefwasdamagedbypeopleblastfishingwith dynamite.

Mexico’sNationalMarineParkcreatedtheunderwatermuseum,MUSA,todrawpeopleawayfromnaturalreefsandtowardartificialonesinstead.It’sworking.Fortypercentofthepeoplewhowouldhavevisitednaturalreefsnowvisit MUSA.