The maps here show the world as it is now, with only one difference: All the ice ... cubic miles of ice on Earth, and some scientists say it would take more than 5,000 years to melt it all.

As National Geographic showed us in 2013, sea levels would rise by 216 feet if all the land ice on the planet were to melt. This would dramatically reshape the continents and drown many of the ...

If all the Earth's land ice melted, sea levels would rise over 200 feet. Here's what would that mean for the United States' coastlines. Alex Kuzoian contributed reporting to an earlier version of ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

Martin Vargic created the map to depict the planet with sea levels around 260ft (79m) higher than they are today Current coastlines are shown using a dotted line and the areas that will be ...

In June 2014, on his web site Spatialities.com, urban planner Jeffrey Lin posted a humorously pun-laden map of what Los Angeles would look like if all the glaciers on Earth melted into the ocean.

Fagre predicts that within 30 years most if not all of the park's ... Everywhere on Earth ice is changing. The famed snows of Kilimanjaro have melted more than 80 percent since 1912.

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth.