Greenland ice sheet sea level rise melt time

Greenland’s ice could raise global sea levels

~7.5 m

If the entire Greenland ice sheet melted, global sea levels would rise by about 7.5 metres. Even under very high rates of warming, eliminating the ice sheet would take at least 1,000 years.

Sea transport cost far less than land transport

About 60 Times Less

In the Roman Empire, moving goods by sea cost about 60 times less than carrying them over land. The lower cost allowed much larger volumes of trade.

In sign languages, your eyebrows can change a sentence into a question

Sign languages use facial expressions as part of grammar, not merely to convey emotion. In American Sign Language, raised eyebrows commonly mark yes-or-no questions, while other facial patterns help distinguish different question types. The face works alongside the hands to encode linguistic information. A sentence can change meaning even when the hand signs stay the same.

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Greenland ice sheet sea level rise melt time

Greenland’s ice could raise global sea levels

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