New research from CSIRO, Australia's national science agency, and the University of Toronto in Canada, estimates up to 11 million tonnes of plastic pollution is sitting on the ocean floor.

Due to the costs and the technology needed to explore at vast depths, only a few countries are equipped to scan the ocean floor. These countries include the United States, Japan, New Zealand ...

New research from CSIRO, Australia’s national science agency, and the University of Toronto in Canada, estimates up to 11 million tonnes of plastic pollution is sitting on the ocean floor.

Even at those depths, the ocean floor teems with life. It’s slow-growing and often small but it is there – and some of it glows. "Life down there operates like it's on a different planet ...