A big rise in sea levels would be very costly, as it would swamp low-lying coastal regions and deltas and threaten small island states but is considered a low probability.

• 海平面的大幅上升将会花费昂贵,因为它可能淹没低洼的沿海地区和三角洲,并且威胁到小的岛国,虽然,这种可能性很小。