The Great Barrier Reef is big, wonderful and complex, but it is also very vulnerable. Researchers have stated that irresponsible tourism, pollution and global warming have affected the reef system in the last three decades. However, many organizations are fighting for the conservation and balance of the reef. One of these organizations is the World Wildlife Fund. By clicking HERE you can access their website, gather more information about the Great Barrier Reef and find out how you can get involved in the efforts to preserve it.