Ex-intelligence chief: Trump's access to nuclear codes is 'pretty damn scary' Read moreDaniel M Kammen (@dan_kammen) Mr. President, I am resigning as Science Envoy. The science envoys serve as unpaid volunteers and engage with government and non-government science officials around the world. In his letter, Kammen also criticized Trump’s decision to leave the Paris Climate Accord. Science envoys typically serve for one year. Margaret Leinen, director of the Scripps Institution of Oceanography at the University of California, San Diego, and Thomas Lovejoy, an ecologist at George Mason University in Virginia, still serve as state department science envoys, Mason said.

Source: The Guardian August 23, 2017 22:30 UTC