NEW YORK (CBSNewYork)Gov. Andrew Cuomo was joined by governors from 14 other states and former U.S. Secretary of State John Kerry at a press conference Wednesday, promoting the U.S. Climate Alliance.

The 15-state coalition was formed earlier this summer in response to President Donald Trump’s decision to withdraw the United States from the Paris Climate Accord.

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Cuomo said Washington is in “denial” about climate change, despite a procession of ever more powerful storms.

“To me, the federal government exists in their own state,” he said. “I call it the state of denial.”

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He said the 15 states have vowed to meet the goals of the accord with or without Washington.

Kerry also signed the agreement.

“The importance of these governors coming together bipartisanly – this is a bipartisan alliance – is to say we are living on the front lines of this, and we are going to deliver for our nation and for the world,” he said.

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Citing economic and environmental factors, Kerry said he believes the U.S. may meet or even exceed the accord’s targets, despite formally pulling out, WCBS 880’s Rich Lamb reported.