The podcast episodes discuss the controversial topic of deep sea mining, exploring its potential environmental and social impacts, as well as the technological and geopolitical aspects.

Several episodes delve into the debate around deep sea mining, highlighting concerns from affected communities, comparisons to terrestrial mining, and efforts to develop more sustainable practices. For example, Episode 984 of The Jordan Harbinger Show examines the wonders and fragility of the deep ocean, urging caution in deep sea mining. Similarly, Episode 'Where your dirty old cars end up & Norway's bid to mine the ocean floor' on the Living Planet podcast discusses Norway's plans to mine the deep sea, exploring both sides of the debate.

Other episodes, such as Episode 'EV Battery Supply Chain: Tensions on the Ground' on the Columbia Energy Exchange podcast, briefly mention deep sea mining as a potential source of critical minerals, though the impacts remain uncertain.