During our summer break, we’re revisiting the archives. Today, Wildlife recordist Chris Watson begins a three-part journey into the sonic environment of the ocean, celebrating the sounds and songs of marine life and investigating the threat of noise pollution First released: 03/05/2019. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
