WASHINGTON — The average temperature in the United States has risen rapidly and drastically since 1980, and recent decades have been the warmest of the past 1,500 years, according to a sweeping federal climate change report awaiting approval by the Trump administration.
The draft report by scientists from 13 federal agencies, which has not yet been made public, concludes that Americans are feeling the effects of climate change right now. It directly contradicts claims by President Trump and members of his cabinet who say that the human contribution to climate change is uncertain and that the ability to predict the effects is limited.
“How much more the climate will change depends on future emissions and the sensitivity of the climate system to those emissions,” a draft of the report states. A copy of it was obtained by The New York Times.
The report was completed this year and is part of the National Climate Assessment, which is congressionally mandated every four years. The National Academy of Sciences has signed off on the draft and is awaiting permission from the Trump administration to release it.
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