The landmark study found that without drastically lowering emissions, rising ocean levels will wreak havoc to all human life on earth. Michael Meredith, Study Author, via Reuters The UN backed study of more than 100 authors correlated data from 7,000 academic papers. If emissions continue to rise, the report predicts that sea levels could rise by an entire meter by 2100. By 2300, sea levels could rise as much as five meters. Nerilie Abram, Study Author, via Reuters Despite lower emissions goals of the 2015 Paris Climate Accord, last year's carbon emissions reached a record high.