"Our commitment to climate change and other issues is irrespective of whether somebody is supporting us or not".
"I think the President made it clear in that statement that the climate changes", Pruitt said on ABC's "This Week", referring to Trump's announcement on Thursday that he would withdraw the United States from the Paris climate accord.
He said: "The US will meet our Paris commitment and through a partnership among American cities, states, and businesses, we will seek to remain part of the Paris Agreement process. And perhaps most important, new coal plants in the United States aren't economically feasible right now, due to lower costs of other forms of energy", Robertson said.
"Mayors, governors and business leaders from both political parties are signing onto a statement of support that we will submit to the United Nations - and together, we will reach the emission reduction goals the U.S. made in Paris in 2015", said Bloomberg.
The Paris accord commits countries to holding global temperature rises to "well below" 2C above pre-industrial levels, which will require global emissions to be cut to net zero by the second half of the century.
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Despite the decision by the USA, the second biggest polluter after China, to pull out of the deal, many analysts suggest the shift to a low-carbon economy is now unstoppable, with renewable prices tumbling and new clean technology being developed and deployed.
Tesla CEO Elon Musk and Walt Disney CEO Robert Iger said they would leave White House advisory councils over Trump's decision.
He urged the worldwide community to compel the new USA administration to completely and precisely implement Washington's global commitments.
Jo Leinen, a German member of the European Parliament, said Europe and China have understood the potentials of a low emission economy for jobs and growth, and the two sides will strengthen cooperation on climate change.
Speaking at a ceremony in the White House Rose Garden on Thursday, Trump said he was withdrawing the US from the Paris Climate Agreement.
U.S. billionaire, philanthropist and UN envoy for climate change Michael Bloomberg pledged $15 million to support the agreement's coordinating agency if necessary - the sum it stands to lose should the United States refuse to pay its share.