It's worth noting, the last time there was this much CO2 in the atmosphere (>400ppm), sea levels were significantly higher. Estimates are all over the map, but

It's worth noting, the last time there was this much CO2 in the atmosphere (>400ppm), sea levels were significantly higher. Estimates are all over the map, but most of them put global sea at least 10m above our current levels. A few sources: https://www.noaa.gov/news-release/carbon-dioxide-now-more-than-50-higher-than-pre-industrial-levels https://www.noaa.gov/news-release/carbon-dioxide-now-more-th... https://www.nature.com/articles/s41586-019-1543-2?proof=t https://www.nature.com/articles/s41586-019-1543-2?proof=t https://www.science.org/doi/10.1126/science.1233137 https://www.science.org/doi/10.1126/science.1233137 https://royalsocietypublishing.org/doi/10.1098/rsta.2012.0294 https://royalsocietypublishing.org/doi/10.1098/rsta.2012.029... https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2004PA001071 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/200... EDIT: Fix words.