Coral cover in the Great Barrier
Reef <a href="http://www.theguardian.com/environment/2014/jul/21/great-barrier-reef-in-worst-state-since-records-began">has
fallen by half since the 1980s</a>.
Ссылка: https://stallman.org/archives/2014-may-aug.html#22_July_2014_%28Coral_cover_in_the_Great_Barrier_Reef%29