HARRISBURG, Pa. (AP) – Pennsylvania lawmakers are trying to assert control over a key part of Gov. Tom Wolf’s effort to fight climate change in the nation’s fourth-biggest emitter of greenhouse gases.

Lawmakers in the Republican-controlled Legislature on Wednesday introduced legislation to require their approval before Wolf could bring Pennsylvania into a nine-state consortium that sets a price and caps on greenhouse gas emissions from power plants.

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The Pittsburgh Post-Gazette also reports that House Speaker Mike Turzai told an oil and gas industry conference earlier this month that he would sue, likely in federal court.

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Wolf, a Democrat, last month ordered his administration to start drafting regulations to join the Regional Greenhouse Gas Initiative.

Wolf’s administration reports that 56 power plants, eight waste-coal burning facilities, and four industrial facilities could fall under a cap.

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