"It's now necessary to look forward after last night's announcement by the USA administration", she said, adding that Europe's biggest economy will continue to meet its obligations under the 2015 Paris accord. But it also undermines world efforts to combat global warming.
The U.S. has to wait three years before it can withdraw then wait another year for that to take effect.
"We have a huge opportunity to create thousands of clean energy jobs and drastically reduce the air pollution that create health disparities and climate change by updating our state's Renewable Portfolio Standard (the law that says DE utilities must get a certain percentage of their electricity from renewable sources) and other local policies", Herron said. "If unchecked, New Orleans, like many coastal cities, will cease to exist".
"President Trump is ignoring the impact of climate change and here in Maryland that's going to result in an increase in flooding, shoreline erosion and increase in pollution", Baltimore County Executive Kevin Kamenetz, said.
U.S. Rep. Tom MacArthur, R-N.J.
Earlier, Governor Andrew Cuomo, California's Governor Jerry Brown and Governor Jay R. Inslee, of Washington, announced the formation of the "United States Climate Alliance", which will encourage other states across the country to continue the policies laid out in the plan.
Trump said the accord "disadvantages the USA to the exclusive betterment of other countries", and targeted India specifically.
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Obama is defending the deal that his administration painstakingly negotiated.
"Trump promoted fossil fuel interests over those of the people and the planet by pulling out the United States from the Paris Agreement, but even he can not stop the tide of climate action happening within and beyond his country", Denise Fontanilla, the group's climate policy coordinator, said. He says the USA should be "at the front of the pack".
He says President Trump is wrong to say his withdrawal is about saving jobs, because it puts the USA out of step with the economic opportunities involved in shifting to renewable energy sources. Cities will lead the way.
For her part, Senator Loren Legarda, said: "It is unfortunate that Mr. Trump made a decision to pull out from the Paris Agreement".
Two CEO advisers walked away from President Trump on Thursday.
Germany's DIHK Chambers of Commerce and the VDMA engineering industry association warned that USA companies could gain short-term advantages by Trump's decision.
China, the world's biggest carbon dioxide emitter, meanwhile, vowed to stand by the Paris Agreement, with Beijing and the European Union agreeing to back the climate deal through a joint statement.