WASHINGTON —

Evidence that climate change harms public health is "beyond scientific dispute," the independent National Academy of Sciences said Wednesday in a report responding to Trump administration efforts to revoke a landmark 2009 U.S. government finding declaring climate change a threat.

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The NAS, a non-governmental nonprofit set up to advise the government on science, said human activity is releasing greenhouse gases that are warming the planet, increasing extreme temperatures and changing the oceans, all dangerous developments for the health and welfare of the United States public. Evidence to that effect has only grown stronger since 2009, the group said.

In July, the Trump a

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