THREATS TO THE GREAT BAR­RIER REEF

Cosmos - - Cosmos Science Club -

Coral reefs col­lec­tively add up to less than 1% of the world’s marine en­vi­ron­ment, yet some sci­en­tists sug­gest they host as many as two mil­lion species. Unar­guably beau­ti­ful, reefs are com­plex and frag­ile ecosys­tems. Es­ti­mates in­di­cate that be­tween 75 and 90% of them are in dan­ger of de­struc­tion.

Reefs are be­ing dam­aged by many dif­fer­ent causes, all of which have one thing in com­mon. They are the re­sult of hu­man ac­tiv­ity.

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