The U.S.is the world's second-largest emitter of carbon, following only China.
Mr Trump said he would try to negotiate a new, "fairer" climate deal.
"We could have lived with a modified Paris Climate Agreement", said Lignite Energy Council President Jason Bohrer, who indicated the country's removal from the agreement reduces the risk that a future president may use the agreement as an excuse to clamp down on carbon dioxide emissions again. Their announcement Thursday came just after Trump's formal declaration that he meant to remove the us from the deal. Thursday, he dismissed the notion that the Paris deal is harmful to the economy.
Johnson told Sky News that Britain still wants the U.S.to take the lead in fighting climate change and called on individual USA states to keep making progress on that front.More news: Theresa May hits back at 'blowhard' criticism from Jeremy Paxman
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More news: Trudeau calls Trump to say climate decision a 'disappointment'
At the same time, the Canadian leader said he would continue to reach out to the USA federal government to identify carbon emissions reductions on which they might still be able to collaborate.
Earlier this week, Press Secretary Sean Spicer also dodged a question on Mr. Trump's beliefs. "Leaving Paris is not good for America or the world", Musk said in a Twitter post. "This administration is abdicating its leadership and taking a backseat to other countries in the global fight against climate change", said Governor Cuomo in a statement emailed to Business Insider.
The decision to withdraw will put the United States in league with Nicaragua and Syria as the world's only non-participants in the treaty. But he said that in the absence of a national commitment, "our states, cities, and businesses will step up and do even more to lead the way, and help protect for future generations the one planet we've got".
"This unprecedented diplomatic feat would never have been possible without the involvement of the United States of America", she said in a statement.
French President Emmanuel Macron said in a televised address he respects the US decision but called it a "huge error" that would have negative effects for the future of the USA, its people and the planet. Paris' mayor is the chairwoman of the group and said "no matter what decision is made by the White House, cities are honouring their responsibilities to implement the Paris Agreement".