As much as a quarter pf all marine life lives there-did you know that? So, it's imperative that we look after them. Unfortunately,as you probably know, they are in jeopardy due to man's activity. They're being destroyed a lot faster than the time it took for them to be formed. Did you know that coral reefs take thorusands of years to grow? Even if the conditions are perfect, they only grow about two centimetres a year.