China's coastal sea levels hit their highest on record in 2022, and have increased by an average of 3.5 millimetres (0.14 inch) per year since they were first measured in 1980, ...

China Troubles US Ally in Coastal Waters for 30 Days. Published Feb 03, 2025 at 8:02 AM EST ... China claims upward of 90 percent of the South China Sea within its "10-dashed line" map.