In Clash with Trump, U.S. Report Says Humans Cause Climate Change

The rapid pace of global climate change is almost certainly driven by human activity, like burning fossil fuels, according to a U.S. government report that contradicts assertions by President Donald Trump and members of his administration.

“For the warming over the last century, there is no convincing alternative explanation supported by the extent of the observational evidence,” said the report by a group of more than 50 U.S. government scientists released on Friday.

The report, which is required by Congress every four years, was written by scientists from government bodies such as the Environmental Protection Agency and the National Oceanic and Atmospheric Administration.

It reinforces the conclusions drawn by an overwhelming majority of scientists around the world in recent years that emissions from burning fossil fuels are the primary driver of global warming, leading to sea level rise, flooding, droughts, and more frequent powerful storms.
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According to the report, global temperatures have increased by about 1.8 degrees Fahrenheit (1 degree Celsius) over the last 115 years, while global average sea levels have risen about 7 inches (17.78 cm) over the same period.

Sea levels are expected to rise “at least several inches in the next 15 years” due to rising temperatures, it added.

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