The damage to coral reefs from CO2 could amount to [ a trillion dollars annually in losses to humanity ]( http://www.commondreams.org/news/2014/10/09/greenhouse-gas-emissions-could-trigger-trillion-dollar-coral-reef-problem ) , by the end of this century.
Ссылка: https://stallman.org/archives/2014-jul-oct.html#14_October_2014_%28Damage_to_coral_reefs_from_CO2%29