The Belgian government and energy company Engie have struck an agreement in principle to extend the life of two nuclear power plants by 10 years in order to shore up power supplies amid turbulent international energy markets. The aim is to conclude a final agreement by the end of the year “so that our country can have sufficient electricity in view of the unstable geopolitical situation,” Prime Minister Alexander De Croo said on Twitter on Friday. “The Belgian government is taking its responsibilities to ensure that our country can control its energy supply,” De Croo said. In March, the Belgia…