The Associated Press took a stance on climate change on Tuesday and announced a policy that mandates stronger descriptions of people who doubt global warming is real: “those who reject mainstream climate science.”

Because the AP’s writing style is commonly used by newspapers and other news outlets nationwide, the decision could have a significant impact on the way climate change is discussed. The organization published a memo from three editors about the decision.

“We are adding a brief description of those who don’t accept climate science or dispute the world is warming from man-made forces,” the memo said. “Our guidance is to use, ‘climate change doubters’ or ‘those who reject mainstream climate science’ and to avoid the use of, ‘skeptics’ or ‘deniers.'”

The AP is constantly changing and updating to “reflect language usage and accuracy.” It changed its style in 2013 when it dropped “illegal immigrant” and opted for phrases that included, “living in or entering a country illegally.”

The memo provided some background and explanation of the change, and included the lengthy “AP Stylebook” entry for global warming: