In February, Germany held an election that had many echoes of the one the United States held in November. Voters were incensed with inflation — especially electricity prices, which surged 80 percent after Russia invaded Ukraine in 2022 and never returned to normal. Right-wing parties channeled that fury toward the incumbent government’s green policies, including the pioneering Energiewende decarbonization plan that has made renewable energy more than half of the electricity Germans use...