William Happer

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Climate change skeptic stepping down from White House post

By KEVIN FREKING - Associated Press

FILE - In this March 29, 2013, file photo, a worker helps monitor water pumping pressure and temperature, at an oil and natural gas extraction site, outside Rifle, on the Western Slope of Colorado. A Trump administration national security official has sought help from advisers to a think tank that disavows climate change to challenge widely accepted scientific findings on global warming, according to his emails. (AP Photo/Brennan Linsley, File)

Emails: Trump official pressed NASA on climate science

By ELLEN KNICKMEYER and SETH BORENSTEIN - Associated Press

A man polishes the sign for The New York Times at the company's headquarters, July 18, 2013 in New York. The newspaper has faced declines in print advertising and subscription revenue. The company has tried to offset those drops by increasing the number of digital subscribers. (AP Photo/Mark Lennihan)

New York Times labels William Happer, Princeton physicist, a ‘climate denialist,’ faces backlash

By Valerie Richardson - The Washington Times

President Donald Trump speaks as he meets with Austrian Chancellor Sebastian Kurz in the Oval Office of the White House in Washington, Wednesday, Feb. 20, 2019. (AP Photo/Susan Walsh)

Climate threat doubter is leading effort to advise Trump

By KEVIN FREKING and SETH BORENSTEIN - Associated Press