But he may be overstating how much it would have hurt the economy.
"I think it slows down this rush toward punitive measures against the United States industrial base and mining industry", Hamilton said.
She plans to meet with her US counterpart in Italy next week, where she will "seek clarity" on the USA position.
The three states already belong to an emissions reduction pact of states and cities worldwide, but Thursday's action marked a direct stand against the Trump administration and a formal commitment to upholding the targets of the Paris agreement.
"Pulling out of Paris would make it harder for our country, and the world, to reach a safer and more prosperous future".
Trump's top diplomat, Secretary of State Rex Tillerson, warned against leaving the Paris deal. At that point, the USA enters a one-year waiting period before it's formally removed. But the official says there may be "caveats in the language" that Trump uses to announce the withdrawal " and that could leave open the possibility that the decision isn't final. - Former U.S. President Barack Obama, who was in office when the accord took effect in November, in a statement "Am departing presidential councils".
What's all this talk about renegotiating?
However, Trump on Thursday opted out of the accord, saying: "We're getting out". He didn't explain what he meant by that or what terms he would be willing to accept. Look at DTE's announcement last month that it would plan obsolescence for its coal plants, and cut its carbon emissions 80% by 2050, despite Trump's March rollback of more stringent carbon standards put in place by Obama. The United Nations Intergovernmental Panel on Climate Change, which pools scientific research from around the world, concluded that greenhouse gas emissions were "extremely likely to have been the dominant cause of the observed warming since the mid-20th century" with more than 95 percent confidence. "But as the president has acknowledged, certain elements of this deal were not equitable for USA manufacturers", said Ross Eisenberg, vice president for energy and resources policy at the National Association of Manufacturers. "We are on a path to reduce emissions below 2005 levels by about 15 to 17 percent in 2020", says Kate Larsen of the Rhodium Group.
And Mayor Peduto also threw some shade in the direction of Sean Spicer for quoting Trump's speech about Pittsburgh and Paris.
Cloud Peak Energy Inc had also urged the Trump administration to stay in the Paris deal to prevent other nations from an aggressive turn against the global coal industry.
Two Liberals, Eric Abetz and Craig Kelly, have called for a rethink of Australia's involvement in the climate pact in the wake of the United States decision because of its potential impact on business. Trump stated that the fund "is costing the United States a vast fortune", especially on top of preexisting foreign aid payments, and that it is unfair that the US should pay so much when other nations pay little or nothing.
And he urged the United States to keep working to cut emissions, despite walking away from the Paris deal. For example, under the agreement, China will be allowed to increase these emissions by a staggering number of years - 13.
Those targets are less ambitious than the US commitment, which called for cutting emissions 26 percent or more compared with 2005 levels. Along with China, the US was considered a crucial component of the treaty due to its emissions output. In addition to damaging US strategic interests, the future of the American economy is at stake.
Russian Federation joined the chorus speaking out in favor of the climate accord. But studies funded by the solar industry show that more Americans now work building, installing and maintaining solar panels than are employed by coal companies. We can all acknowledge that human activity has an impact on the environment, even if very small compared to natural cycles and events, and we need to be good stewards of the planet God has given us.
"We are ceding our global leadership to China, and to the European Union on an issue that matters to us so dramatically", U.S. Rep. Ted Deutch, D-Florida, said.
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