When William Happer realized this summer that his plan to question climate science had been shut down by the White House, he knew he’d stick to his promise: to serve exactly one year in the Trump ...

President Donald Trump’s declaration last month that climate change is a “serious subject” marked the completion of a yearlong shift away from his outright denial of the global threat — a shift, ...

William Happer, a professor at Princeton University, received the 2015 Frederick Seitz Memorial Award from presenter S. Fred Singer of the Science and Environmental Policy Project at the Tenth ...

The climate change denier who once argued that the “demonization” of carbon dioxide was the same as the “demonization of the poor Jews under Hitler” is leaving the White House, E&E News was first to ...

President Trump wants a climate science review where he might take center stage as host in front of a prime-time television audience, a former adviser said yesterday. President Trump wants a climate ...

Editor’s Note: William Happer, Ph.D., is an award-winning physicist and the Cyrus Fogg Brackett professor of physics, emeritus, at Princeton University. Happer served as the director of the Office of ...

The Trump official who thinks carbon dioxide is vilified just like “poor Jews under Hitler” has been a professional “climate change skeptic” — i.e., denier — for years. But now, he has a major ...

A senior official on President Donald Trump’s National Security Council appeared on a podcast whose host has promoted claims that some races were less intelligent than others. William Happer, a ...

William Happer, a White House National Security Council official known for being a prominent climate change skeptic, will be leaving his post in the federal government, a council spokesperson ...