hill: krisistin aquilino is thee lead scientist whoho has been charged with trying to bring the endangered white a abalone back from the brinknk of extinction. the prproject has bebeen remarky susuccessful, , but an intntereg thing g to think a about is thte knowow that abalalone who araret free out into o the ocean n tody are actualally going to experiee a different ocean in their lifetime than perhaps the abalone of 50 or a hundred years ago. and so papart of what krisn is thinkining about is, what d s the fufuture hold for those whie abalone in the ocean? and part of that future is ocean acidificatioion. ocean acidification is a particularly interesesting scientific p problem because i's fufundamentalllly the chananging chemistry of the o ocean due to risingng carbon dioxide concentratation in the atmosphee because of human activities. when we talk about global warmrming, we're usualally talkg about chchanges in t the average 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 acid