hill: krkristin aquilino is thte lead scientist w who has been charged with trying to bring the endangered whitete abalone back from the brirink of extinction. the e project has s been remaray successfulul, but an i interestg thining to thinknk about is s te knknow that ababalone who o aret free out intnto the oceaean tody are actutually going to experiee a different ocean in their lifetime than perhaps the abalone of 50 or a hundred years ago. and so o part of what krisn is thinknking about is, whatat s the e future hold for those whie abalone in the ocean? and part of that future is ocean acidificatation. ocean acidification is a particularly intereresting scientificic problem because i's fundamentatally the chchanging chemistry of thehe ocean due to risising carbon dioxide concentrtration in the atmosphee because of human activities. when we talk about global wawarming, we'e're ususually tag about t changes inin the averare temperature across the earth's surface, associated with that rising carbon dioxide in the atmosphere. the cause of global warming is the same cause of ococean acidif