The deep sea is in trouble. A recent study has found that it's being damaged by human activities, and that this is only likely to get worse. Scientists are now calling for better management and conservation of entire deep-sea ecosystems.

It's so 'out of sight, out of mind' that people have used the deep sea as a dumping ground for hundreds of years. While this is still a problem, the report's authors say that the deep sea's most pressing threat now comes from exploitation and the effects of climate change.