Hours later German Chancellor Angela Merkel summoned reporters for an impromptu statement in which she called Trump's decision "extremely regrettable and that's putting it very mildly". Of course, we're going to keep working with our suppliers to help them do more to power their businesses with clean energy.
President Donald Trump caused worldwide consternation on Thursday when he announced the United States was ditching the agreement, arguing that it was too lenient on China, India and Europe.
Merkel added that Germany would stick to its worldwide climate responsibilities - especially where climate finance for developing and poorer countries affected by climate change is concerned.
Nicholas Ssenyonjo, the CEO of the Uganda Environment Education Foundation says the U.S. has been supporting Uganda combat the effects of climate change; something he says is now in jeopardy following Trump's action.
The Paris Agreement, which went into effect November 4, 2016, and now has 147 signatories, would have big impacts on global temperatures, climate scientists have said.
Trump said that the "world's leading polluters" have been let off the hook, pointing a finger at China and India.
In a separate joint statement, the African Union and EU reaffirmed their commitment to the Paris accord and noted the "strong solidarity with those most vulnerable to climate change".
But Merkel, whose country hosts this year's global climate summit, said it was now time to look ahead. "Now, more than ever, it's vital that science does inform decision-making", she added.
Pittsburgh Mayor Bill Peduto, a Democrat, was not thrilled with his city's reference in Trump's remarks.
What is the Paris Agreement? "It is time for all of us to stand up, organize, fight back, and channel our energy into grassroots political action".
'Without US participation, it is more hard to achieve the goals of the Paris agreement, but the rest of the world is still behind it.
They said May first wanted to speak to the U.S. president and claimed she was robust in her disappointment during a phone call. The group is reportedly preparing a plan which will pledge to meet the United States' greenhouse gas emissions targets under the Parisaccord.
Poor countries are predicted to be among the hardest hit by global warming, with some predicting tens of millions of "climate refugees" in coming decades.