The authors show that the same group of mischief-makers, given a platform by the free-market ideologues of The Wall Street Journal’s editorial page, has consistently tried to confuse the public and discredit the scientists whose insights are helping to save the world from unintended environmental harm. Today’s campaigners against action on climate change are in many cases backed by the same lobbies, individuals, and organizations that sided with the tobacco industry to discredit the science linking smoking and lung cancer.