How much would sea level rise if all ice melted?

There is still some uncertainty about the full volume of glaciers and ice caps on Earth, but if all of them were to melt, global sea level would rise approximately 70 meters (approximately 230 feet), flooding every coastal city on the planet.

What if all of the ice melted?

If all the ice on Earth melted overnight, the planet would be sent into chaos. There would be mass flooding from sea levels rising, severe weather changes, deadly chemical releases, and mass greenhouse gasses that would leak into the atmosphere.

Can you live Antarctica?

Antarctica is known for being the highest, driest, coldest and windiest continent on earth. Although there are no native Antarcticans and no permanent residents or citizens of Antarctica, many people do live in Antarctica each year.

Where is the oldest ice on Earth?

How old is glacier ice?

• The age of the oldest glacier ice in Antarctica may approach 1,000,000 years old.
• The age of the oldest glacier ice in Greenland is more than 100,000 years old.
• The age of the oldest Alaskan glacier ice ever recovered (from a basin between Mt. Bona and Mt. Churchill) is about 30,000 years old.

What countries are affected by rising sea levels?

The Top 20

What cities will be affected by rising sea levels?

Specifically, scientists in the report predict that entire cities will be abandoned due to threats from rising sea levels. This includes major urban hubs like New York City, Mumbai, Lagos, Shanghai, Miami, Dhaka and Tokyo. There will be 300 million people left vulnerable to annual flooding by 2050.