He’s Been to the Mountaintop – and it’s Melting

Paleoclimatologist Lonnie Thompson has spent more time above 20,000 feet than anyone else. In the 1970’s, he was the first scientist to retrieve ice sample from a remote tropical ice cap and analyze them for ancient climate signals. Until then, scientists had only studied polar ice cores. But ‚Äúpolar glaciers only cover 10% of the [...]