Secretary of State Rex Tillerson sent a cable to all U.S. embassies Friday advising diplomats to sidestep questions from foreign governments over President Trump’s plans to re-engage in the Paris ...

A Dallas federal judge offered no explanations for multiple orders he issued on his own this month in Exxon Mobil Corp.'s battle with Massachusetts and New York Attorneys General. But the effect of ...

If the emissions reduction targets for the United States are weakened in the Paris Agreement on climate change, then the U.S. could stay in the deal, U.S. Secretary of State Rex Tillerson said on Face ...

Secretary of State Rex Tillerson told senators Tuesday that his views on the Paris climate change deal have not changed now that President Trump had decided to exit the agreement. “My view didn’t ...

NEW YORK -- As Exxon faced the prospect of new climate regulations, the energy giant's leaders sought a full understanding of how they would affect the bottom line, former CEO and ex-Secretary of ...

Massachusetts Attorney General Maura Healey on Tuesday called on ExxonMobil CEO Rex Tillerson to answer questions about whether his company hid what it knew about climate change now that he has been ...

If Richard Nixon could go to China, can Rex Tillerson save Paris? It is but one of many questions, some more answerable than others, about President-elect Donald Trump’s choice for secretary of state.

DALLAS (AP) — The New York attorney general says that while Secretary of State Rex Tillerson was CEO of Exxon he used an alias in emails to talk about climate change. The attorney general, Eric ...

Rex Tillerson left Exxon Mobil in mid-December to start preparing for a potential job as Donald Trump’s secretary of state. During Senate confirmation hearings on Wednesday, less than a month after ...

FAIRBANKS, Alaska (Reuters) - U.S. Secretary of State Rex Tillerson signed an agreement recognising the landmark Paris climate accord at a meeting of Arctic nations in Alaska on Thursday, but said ...