A new study predicts 340 million people could be displaced by rising sea levels before the end of the century.

According to the authors of Nature Communications, due to climate change, the sea levels could rise between two and seven feet by the year 2100.

The study says 340 million people could be displaced by 2050 and 630 million people could lose their homes by the end of the century, including places such as China, India, and other island nations in Asia.