more hospitable lands.

更适合居住的岛屿
If sea levels continue to rise faster and faster,

如果海平面上升的速度持续加快
What will major cities like Tokyo,

那么东京这样的一个世界上
The world's most populous city, do?

人口最多的城市该怎么办呢
Everyyear, scientists' predictions become more and more alarming.

每年科学家的预计都变的越来越触目惊心
Seventy percent of the world's population lives on coastal plains.

世界上70%的人口居住在滨海平原
Eleven of the 15 biggest cities

世界上最大的15座城市中
stand on a coastline or river estuary.

有11座位于海岸或河口地区
As the seas rise, salt will invade the water table,

随着海平面上升盐水会侵入地下水
Depriving inhabitants of drinking water.

减少居民的饮用水资源
Migratory phenomena are inevitable.

人口迁移的现象将不可避免
The only uncertainty concerns their scale.

只是不确定规模