Dead zones form as oxygen levels deplete. Suffocation is becoming the new normal. There’s methane bubbling at the sea surface. Our political bearings come bursting in the Nord Stream explosion as the worst natural gas leak ever. Remnants of our defense and health industries lie at the bottom of the sea – in the form of Cold War myths and radioactive waste, which will take decades to recover from. A massive offering of hazard from humans to the environment, hypoxia is devastating for the sea.