132 Roman tidal baths on Malta - still at sea level after thousands of years. But - climate change is about to kill us all, right? (twitter.com) posted 148 days ago by lovecymru 148 days ago by lovecymru +132 / -0 25 comments share 25 comments share save hide report block hide replies
Roughly as old as the actual, measured temperature data we have for a portion of the planet. Everything prior are estimates pulled out of their collective asses.