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China was the world's biggest GHG emitter in 2022, with net emissions of **** billion metric tons of carbon dioxide equivalent (GtCOâ‚‚e). Under a Current Mid-Century Commitments Scenario, China's net GHG emissions are projected to decrease by almost ** percent by 2035 from 2022 levels, to *** GtCOâ‚‚e. Despite these reductions, China would remain the world's biggest emitter by far. Meanwhile, India would surpass the U.S. as the second biggest emitter in this scenario, with the South Asian country's net GHG emissions rising ** percent to *** GtCOâ‚‚e by 2035. In comparison, U.S. emissions would fall almost ** percent during this period.

Under the Current Mid-Century Commitments Scenario, G20 economies as a whole are projected to reduce emissions by some ** percent by 2035, relative to 2022 levels.