4 Ocean – A surf trip that changed everything

Oceans are incredibly important. 2500 million years ago oxygen was merely a trace gas on Earth, and this planet was unable to support life. The atmosphere had high concentrations of carbon-dioxide and methane. Early life appeared in the oceans, such as the blue-green algae about 3000 million years ago (and it still flourishes in today’s … Continue reading 4 Ocean – A surf trip that changed everything