Richard Tol is a professor of economics, not climate science. "Craig D. Idso is the founder, former president and current chairman of the board of the Center f

Richard Tol is a professor of economics, not climate science. "Craig D. Idso is the founder, former president and current chairman of the board of the Center for the Study of Carbon Dioxide and Global Change, a group which receives funding from ExxonMobil and Peabody Energy and which promotes climate change denial." Shaviv is an astrophysicist who claims that passing through the arms of the milky way are what caused climate change in the past. As far as I can tell, he's merely generated theory after theory, with no experimental evidence to support his claims. He's also the darling of the Heartland Institute. If you haven't heard of them, they are a conservative "think tank" whose two purposes are denying climate change and disputing that smoking causing cancer. Nicola Scafetta is a statistician who has never produced the code used to generate the models he's touted as evidence of the same milky way-induced-climate-change nonsense. Try again.