The increasing acidity of our oceans caused by increased atmospheric CO2, is likely to be instrumental in "protecting against future ice ages" (http://plankt.oxfordjournals.org/cgi/content/abstract/30/2/141?ct).

Thank fuck for that!




Further reading:

http://www.royalsoc.ac.uk/displaypagedoc.asp?id=13314
http://www.ipsl.jussieu.fr/~jomce/acidification/paper/Orr_OnlineNature04095.pdf
http://pangea.stanford.edu/research/Oceans/GES205/Caldeira_Science_Anthropogenic%20Carbon%20and%20oc ean%20pH.pdf
http://en.wikipedia.org/wiki/Ocean_acidification