How much does the most beautiful day of your life pollute? The answer is uncomfortable, precise, and documented: the average American wedding produces 56–63 metric tons of CO₂. For context: the average American generates 14.9 tons per year. This means your "I do" can equal four years of individual emissions. In Italy, the wedding market is worth over €15 billion, with 173,272 weddings celebrated in 2024. Do the math.