Massive eruptions 719 million years ago in what is now Canada may have sucked enough CO2 from the atmosphere to freeze Earth over 2 million years later.
Lava outburst 3 times the size of Texas may have triggered Snowball Earth 717 million years ago : Read more
Lava outburst 3 times the size of Texas may have triggered Snowball Earth 717 million years ago : Read more