Gazprom, the state-controlled Russian energy company, cut natural gas flows through the Nord Stream pipeline to Germany by around 60% last week. The German economy ministry said on Sunday that idle coal power plants are already being upgraded so they can soon start generating electricity again. It said emergency laws would allow Germany to boost the generation of electricity from coal. Germany said it intends to cut the use of natural gas so it can fill its storage tanks ahead of the winter, when demand rises. "The situation is serious," Habeck, who is also vice chancellor, said. "We are therefore...