https://motherboard.vice.com/en_us/article/d3qaek/the-seafloor-is-dissolving-because-climate-change

Carbon emissions are acidifying the ocean so quickly that the seafloor is disintegrating.

According to a study published this week in PNAS , this sets off a feedback loop that acidifies the ocean even more quickly, a process that is already killing off foundational marine life species such as coral and threatening the balance of all ocean ecosystems on which we depend.