President Barack Obama. Photo: ZOA.org.

New York Times – As many as 25 states will join some of the nation’s most influential business groups in legal action to block President Obama’s climate change regulations when they are formally published Friday, trying to stop his signature environmental policy.

In August, the president announced in a White House ceremony that the Environmental Protection Agency rules had been completed, but they had not yet been published in the government’s Federal Register. Within hours of the rules’ official publication on Friday, a legal battle will begin, pitting the states against the federal government. It is widely expected to end up before the Supreme Court.

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