“Americans are not walking away from the Paris climate agreement,” Bloomberg said. “Americans will honor and fulfill the Paris Agreement by leading from the bottom up – and there isn’t anything Washington can do to stop us.”
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It was not immediately clear how such an idea would be presented to U.N. officials. Christiana Figueres, who served as executive secretary of the U.N. Framework Convention on Climate Change until 2016, told The New York Times that "there was currently no formal mechanism for entities that were not countries to be full parties to the Parris accord."
In a letter signed by 83 mayors who collectively represent 40 million Americans, cities pledged to "adopt, honor and uphold the commitments to the goals enshrined in the Paris Agreement."
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The letter’s signatories included the mayors of Los Angeles, Boston, New York, Seattle, Philadelphia, Atlanta, Austin, Texas, and Orlando, Florida.
"If the President wants to break the promises made to our allies enshrined in the historic Paris Agreement, we’ll build and strengthen relationships around the world to protect the planet from devastating climate risks,” said the letter. “The world cannot wait — and neither will we."
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The governors of three states, California, Washington and New York, on Thursday announced the creation of an alliance aimed at connecting states "committed to taking aggressive action on climate change."
In addition to the United States Climate Alliance, seven other states pledged continued support for the agreement, CNN reported.
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Trump announced plans Thursday to withdraw from the Paris Agreement and seek a new deal on climate change, arguing the accord hurt American businesses and was unfair to taxpayers.
The deal, signed by former President Barack Obama and the leaders of 195 other nations, aimed at reducing greenhouse gas emissions to combat global warming.