Two Democratic lawmakers in New York are facing criticism for posing with a sign that invoked an image of 9/11 to promote climate change awareness.

"The fact that Senate Democrats stood proudly grinning in front of 9/11 imagery to advance an extreme energy agenda tells you everything you need to know about their radical views," the New York Republican Party posted on Twitter Wednesday along with a photo of State Sens. Rachel May and Robert Jackson posing behind a sign that showed a plane with the words "climate change" heading toward the now-destroyed World Trade Center towers.

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"It wasn’t a gaffe, it was a revealing display of how out of touch they are with everyday NYers," the post added.

September 11 terrorist attacks in New York City

NEW YORk - SEPTEMBER 11, 2001:  (SEPTEMBER 11 RETROSPECTIVE) A fiery blasts rocks the south tower of the World Trade Center as the hijacked United Airlines Flight 175 from Boston crashes into the building September 11, 2001 in New York City. (Spencer Platt/Getty Images))

On Twitter, May explained that she posed behind the sign without looking to see what it said.

"I attended the rally today to support a significant investment in climate change in the state budget," May tweeted Tuesday. "I posed for numerous photos with activists, and did not see the content of the sign."

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May added, "The imagery on the banner is unacceptable and I would never endorse such a cynical use of our state’s history to score cheap points. I apologize sincerely to all New Yorkers and call upon the organizers to similarly condemn this message."

New York State Senator Robert Jackson

MANHATTAN, NEW YORK, UNITED STATES - 2021/03/29: State Senator Robert Jackson seen speaking at the press conference. (Photo by Erik McGregor/LightRocket via Getty Images)

Jackson also apologized on Twitter saying that he too was unaware of what the sign said.

"I did not note the details of the artwork and would never support anything that denigrates the memory of all who were impacted by 9/11," Jackson said on Twitter. "The artwork depicted is wrong and I fully reject it."

The post received criticism from many on social media including from New York State Republican Committee Chairman who called on May to resign.

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The last steel girder left standing at the World Trade Center, covered with black cloth and an American flag, is carried from the World Trade Center site in New York  (Reuters)

Fox News did not immediately receive a response to a request for comment from the office of Sen. May and Sen. Jackson.