Geography 2050 videosThe once bountiful and pristine oceans have been degraded through massive, multi-faceted, and complex activities. These sessions will explore the human-induced ecological burden on oceans, and what can be done to reduce the most harmful actions. Maritime shipping carries 90 percent of world trade, yet there are emissions and spills that result from this vital activity. Other harmful impacts to consider include: IUU fishing, global ocean warming, ocean acidification, sea ice loss, sea level rise, mangrove destruction, coral reef loss, ocean plastics, noise pollution, and invasive species.