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Climate change, environment, and energy
Main article: Environmental policy of the Donald Trump administration
Trump rejects the scientific consensus on climate change.[232][233] He reduced the budget for renewable energy research by 40% and reversed Obama-era policies directed at curbing climate change.[234] In June 2017, Trump announced the withdrawal of the United States from the Paris Agreement, making the U.S. the only nation in the world to not ratify the agreement.[235]
Trump aimed to boost the production and exports of fossil fuels.[236][237] Natural gas expanded under Trump, but coal continued to decline.[238][239]
Trump rolled back more than 100 federal environmental regulations, including those that curbed greenhouse gas emissions, air and water pollution, and the use of toxic substances. He weakened protections for animals and environmental standards for federal infrastructure projects, and expanded permitted areas for drilling and resource extraction, such as allowing drilling in the Arctic Refuge.  Trumps actions while president have been called "a very aggressive attempt to rewrite our laws and reinterpret the meaning of environmental protections.