While in close relation to our society, the situation and risks concerning the problems of ocean warming and acidification are not widely known, and are not at a level where mitigation and adaptation methods have been well considered by the masses.In response to this situation, utilizing the main objective of a museum specializing in shellfish and bringing up hot topic keywords to gather interest, we held the exhibit "Cliones and Ocean Acidification," in order to create an opportunity to bring up mitigation and adaptation measures to the problem.