Coral reef organisms that help build homes for thousands of other species face extinction by 2100, thanks to increased CO2 levels and ocean acidification.

Researchers from the Australian Institute of Marine Science have discovered that ocean acidification around naturally occurring CO2 seeps in Papua New Guinea offer a glimpse of a future high-CO2 world and its impact on coral reef ecosystems, including the possible complete loss of creatures called Foraminifera, or forams.

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