"We are stopping plans to open mining on the sea bed," Kirsti Bergstoe, leader of the green leftwing SV party, told reporters.
Until now, Norway, whose vast hydrocarbon reserves made it one of the world's wealthiest countries, had taken a leading role in the global race to mine the ocean floor for metals that are in high demand as nations transition away from fossil fuels.

epa02906726 Party leaders (L-R) Turid Thomassen of radical left party Roedt, Trine Skei Grande of liberal party Venstre, Erna Solberg of conservative party Hoyre, Jens Stoltenberg of social democrats Arbeiderpartiet, Siv Jensen of right wing Fremskrittspartiet, Kristin Halvorsen of left wing party SV, Knut Arild Hareide of Christian party Kristelig Folkeparti and Liv Signe Navarsete of Senterpartiet, attend a televised debate in Lillestroem 09 September 2011. Regional elections are to be held in Norway on 11 and 12 September 2011. EPA/FREDRIK VARFJELL ***NORWAY OUT***