How Much CO2 Does the Transportation Sector Emit?
The transportation sector emitted 8.4 gigatons of CO2-equivalent in 2024, making it the third-largest polluting sector globally. This research summary breaks down transport emissions by country, revealing that China's transport emissions surged 905% since 1990 while the U.S. remains the world's largest transport emitter at 20.2% of the global total.