The Climate Science Special Report, part of the quadrennial National Climate Assessment, released by 13 federal agencies in the United States last week, has stated that human activity is the dominant driver of global warming.
The report's assessment "that it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century" is at odds with the position taken by President Trumps' White House.
The report affirms that climate change is being driven almost entirely by humans, warns of sea-level rises as high as 2.5 metres (eight feet) by the end of the century, and details climate-related impacts that are already affecting the United States as a result of the 1.8 degree Fahrenheit (1 degree Celsius) increase in temperature since 1900.
The report comes as the Trump presidency is working to promote fossil-fuel production and repeal legislation intended to curb carbon emissions, such as the so-called Clean Power Plan, as well as Trump's announcement that he intends to exit the Paris climate agreement.
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