According to recent geochemical discoveries, Earth’s ‘Great Oxidation Event’ occurred over a period of 200 million years
Credit: CC0 Public domain About 2.5 billion years ago, free oxygen, or O2first began accumulating to meaningful levels in Earth’s atmosphere, paving the way for the emergence of complex life on our evolving planet. Scientists call this phenomenon the Great Oxidation Event, or GOE for short. But the initial accumulation of O2 on Earth was … Read more