Pennsylvania lawmakers voted on Wednesday to withdraw the state from a regional effort that cuts carbon emissions from power plants, a move baked into a deal on the state’s long-overdue budget.

An ongoing legal battle kept Pennsylvania from participating in the Regional Greenhouse Gas Initiative since former Gov. Tom Wolf directed the state to join the pact in 2019. But it was technically in the collaborative of 11 Northeastern and Mid-Atlantic states and would have significantly reduced the region’s climate-damaging emissions if it had become an active member, experts say.

Almost five months after the new $50.1 billion budget should have been voted into law, the bill was passed by large majorities—156 votes to 47 in the Democrat-controlled House and 40 votes to 9 in the Republican-led S

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