Apr 06 2021 Read 2 Times The negative impacts of human activity upon our seas and oceans are manifold and well-documented. Indeed, until recently, it was believed that the sheer scale of the water which covers much of our planet was so vast that it would swallow up any and all waste that we threw at it, meaning humans polluted without any thought for the potential repercussions. Although today’s society is much better informed on the dangers of marine pollution, the damage has already been done in many cases – while it continues to occur in many more. However, not all forms of contamination are created equal. Here’s a breakdown of the four most common varieties of marine pollution and the harmful effects they can have on marine populations.