How rapidly? About the same as it did eight millennia ago.
QUOTE
"What we showed for the first time is, 8,000 years ago, this glacier was capable of thinning at the sorts of rates we are seeing now, and then the second finding was, that thinning went on for several decades, possibly centuries," Bentley said.
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Diogenes of Sinope:
"It is not that I am mad, it is only that my head is different from yours."
"Other dogs bite only their enemies, whereas I bite also my friends in order to save them."
Arnold Judas Rimmer, BSC, SSC:
"Better dead than smeg."