For me, this destroys one of the remaining scare stories coming from the global warming camp. Bleaching corals, usually attributed to pH lowering from CO2 absorption, is something that rings true to me. Turns out, the bleaching may actualy be a result of people's sun tan lotion.
http://news.nationalgeographic.com/news/2008/01/080129-sunscreen-coral.html
The_Walrus
Pro
Or it could be that both things are bad for coral.