US emissions rose 2.4% to 5.9 billion tons CO2e in 2025. Coal use increased 13% due to high gas prices and cold winter. Solar power generation rose 34% in 2025. Zero-carbon energy supplies 42% of US power. Buildings sector emissions rose 6.8% to 56 million metric tons. Rhodium warns data collection rollbacks could hinder climate tracking. Emissions grew faster than GDP, reversing decoupling trend