Reviews Seasick: Ocean Change and the Extinction of Life on Earth by Alanna Mitchell Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News December 18, 2009 at 1:08 pm Ocean degradation is widespread and portends trouble for life on dry land, a journalist argues.University of Chicago Press, 2009, 161 p., $25. SEASICK: OCEAN CHANGE AND THE EXTINCTION OF LIFE ON EARTH BY ALANNA MITCHELL