ahlam1399
03-29-2016, 05:43 PM
An underwater heat wave has set off a global coral-bleaching event?the third since 1998?that is devastating huge swaths of Australia?s Great Barrier Reef, marine researchers have found.
أكثر... (http://www.wsj.com/articles/bleaching-devastates-great-barrier-reef-1459231970?mod=fox_australian)
أكثر... (http://www.wsj.com/articles/bleaching-devastates-great-barrier-reef-1459231970?mod=fox_australian)