Restoring sea floor after mining may not be possible, researchers warn

Breakdown

• A research vessel in the Cook Islands is collecting data to support deep-sea mining safety. 15s
• The region contains major deposits of polymetallic nodules used in green energy technologies. 42s
• Environmental scientists warn that deep-sea mining could cause irreversible damage to seabed ecosystems. 1m 12s
• Thirty-seven countries support a moratorium on deep-sea mining, but some nations are moving forward with mining plans. 1m 37s
• The International Seabed Authority is meeting to decide on opening international waters to mining. 1m 59s