In 2008, he made a blogpost that stated "global warming is a politicians' scam designed to centralise power and increase taxes" He has also said: “… I believe, AGW is simply a kind of collective hysteria with no basis in science…” In 2012 Helmer was a speaker at the Heartland Institute's Seventh International Conference on Climate Change, and the year prior he spoke at the 2011 American Legislative Exchange Council (ALEC) Annual Meeting. In 2010, he spent £9,000 of taxpayer dollars on a climate skeptic poster campaign which featured billboards describing green climate policies as “probably unnecessary,” “certainly ineffectual,” and “ruinously expensive.” The posters were set up in prominent locations of Derby, Leicenster, Northampton, Lincoln, and Nottingham.