The influence of corporate funding on two topics identified by computational analysis within the climate change contrarian movement. The horizontal axis spans the years 1993–2013. The vertical axis indicates how much the topic was written about, expressed as a decimal fraction. The red line represents the prevalence of the topic in the texts of contrarian organizations who received money, and the black line represents the prevalence of the topic for contrarian organizations who did not receive money.
© 2015 Henry Auer