National Geographic: By the time Olafur Eliasson came up with the idea to display chunks of glacier as an art exhibit, he had already spent a lot of time at the mouth of the Icelandic glacier Vatnajökull, the largest ice cap in Europe, watching it melt.
"Vatnajökull is the only place in the world where you can stand off on the sand and watch big chunks of glacier break," said Eliasson.
The Danish-Icelandic artist believes most people are disconnected from the effects of climate change because they can't physically...