South Korea’s move to kill coal will almost certainly have repercussions on two of its largest energy customers, Australia and the United States. A decision on the polluting fossil fuel was made at the COP30 climate conference in Brazil, when South Korea’s Ministry of Climate, Energy and Environment announced plans to retire most of the country’s coal-fired power plants by 2040, and to at least halve its carbon emissions by 2035. Forty of the plants already have confirmed closure dates. South Korea has been criticized for not…