The international community is faced with a number of challenges from both existing and new activities on the high seas, including overfishing, destructive fishing practices, pollution, climate change and ocean fertilization.
国际社会正面临着由公海现有活动和新的活动造成的诸多挑战，其中包括过度捕捞、破坏性的捕鱼方法、污染、气候变化和海洋肥化等活动。