Washington (CNN) Democratic state attorneys general -- the same group that beat back President Donald Trump's travel ban in court -- are now turning their eyes to climate and environmental issues.

As Trump announced the United States' exit from the Paris climate accord, several attorneys general said Thursday they've already begun discussing strategies to battle the administration.

Pennsylvania Attorney General Josh Shapiro said he is "incredibly distressed and disturbed" by Trump's move. Connecticut's George Shapiro said environmental issues are "very, very high on that list" of issues likely to become a new, travel ban-style legal flashpoint with the Trump White House.

Maura Healey of Massachusetts vowed to "hold the line on important measures that have been put in place to protect our habitat and prevent climate change" -- as well as hundreds of thousands of clean energy jobs that Trump has "put at risk, unfortunately."

With Democrats relegated to the minority in the House and Senate, blue states with the power to challenge Trump's administration in court are now at the forefront of the Democratic anti-Trump resistance.

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