Two years ago, scientists discovered more than one hundred corals in the Great Barrier Reef and on a reef near northwestern Australia.

VOA: special.2010.08.10

For example, the Great Barrier Reef in Australia is the largest coral reef system in the world.

VOA: special.2009.04.22

Federal health minister,Nicola Roxon, says forcing the vessel to cancel a planned 10-day trip around the Great Barrier Reef is a necessary precaution.

VOA: standard.2009.05.30