World's biggest extinction event: Massive volcanic eruption, burning coal and accelerated greenhouse gas choked out life
Sunday, January 23, 2011 - 14:20
in Earth & Climate
About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers now believe they have discovered evidence to support massive volcanic eruptions burnt significant volumes of coal, producing ash clouds that had broad impact on global oceans.