Bryson, Bill - Earth events as agents of change
Type of Spiritual Experience
A description of the experience
Bill Bryson - A Short History of Nearly Everything
The formation of the Isthmus of Panama disrupted ocean currents, changing precipitation across the world, creating deserts and changing temperatures in certain areas.....
… the last supervolcano eruption on earth was that at Toba, in Northern Sumatra 74,000 years ago …. the Toba blast was followed by at least 6 years of volcanic winter. The event it is thought may have carried humans right to the brink of extinction, reducing the global population to no more than a few thousand individuals