- China accounted for 17.4 billion tonnes, US 7 billion tonnes, and India 4.22 billion tonnes of total emissions, while Russia and China recorded highest annual increases LONDON Global Greenhouse Gas Emissions Hit Record 60.63 Billion Tonnes in 2025 Global greenhouse gas emissions reached a record 60.63 billion tonnes of carbon dioxide equivalent in 2025, reflecting continued increases in several major economies, particularly Russia and China. The findings were released by US-based climate