• California’s landmark 2006 climate law helped the state meet its first emissions target six years early, but upcoming goals are harder to reach.
• The state is only halfway to its 2030 target and, at the current pace, may not meet it until 2034; the 2045 goal requires even steeper cuts.
• Transportation emissions, high infrastructure costs and federal policy shifts pose challenges, even as California recorded one of its largest emissions drops in 2024.

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