 Legates and coauthors (among which were Willie Soon, Sallie Baliunas, Timothy F. Ball and others) authored a controversial (and non peer-reviewed) paper in the journal "Ecological Complexity" attempting to disprove an increase in Hudson Bay temperatures in the past 70 years, and cautioning about polar bear-human interaction as a likely cause for any observed decline in bear populations.In this paper the authors expressed doubts regarding the predictive quality of global warming models at the entire Arctic scale and any extrapolation of polar bear population trends.Legates is a signer of the Oregon Petition, which stated