In October 2010, Mann wrote an op-ed in the "Washington Post" in which he described several past, present and projected attacks on climate science and scientists by politicians, drawing a link between them and "the pseudo-science that questioned the link between smoking cigarettes and lung cancer, and the false claims questioning the science of acid rain and the hole in the ozone layer." Saying they were "not good-faith questioning of scientific research anti-science", he called for all his fellow scientists to stand against the attacks.