The last time CO2 levels in the atmosphere were is high as they currently are was 3.3 million years ago. At this time not only were are temperatures 3 to 4 degrees higher that also sea levels where around 20m higher than they currently are.
To put this sea level rise in perspective, currently 10% of the world’s human population live 10 mm or less above sea level (around 650 million people). An estimated 47% of world residents live at 20m above sea level or less. The idea of almost half of the world’s population having a find new places to live in the space of a relatively short period of timewould destroy the world economy for years at a time.
Continue reading “CO2 emissions are taking us to atmospheric conditions not seen for 15 million years”
