"Unlike a decade ago, when few scientists dared express doubt that humanity's CO2 emissions are causing dangerous global warming, it seems now that not a week goes by without some leading expert condemning the hypothesis. On January 27, The Wall Street Journal published an open letter from 16 leading scientists in which they told politicians that they must, and I quote:
“. . . understand that the oft-repeated claim that nearly all scientists demand that something dramatic be done to stop global warming is not true. In fact, a large and growing number of distinguished scientists and engineers do not agree that drastic actions on global warming are needed.”
"Signatories to the letter included such eminent scientists as Claude Allegre, former director of the Institute for the Study of Earth at the University of Paris, and Antonio Zichichi, president of the World Federation of Scientists, in Geneva." ...
"In December, the Standing Senate Committee on Energy, the Environment and Natural Resources heard from leading climate experts whose research indicates that the primary driver of climate change is the sun. They maintain that the greenhouse gas reduction recommendations of the United Nations Intergovernmental Panel on Climate Change, the IPCC, are simply in error and that humanity does not control our planet's climate.
Read Senator Nancy Greene-Raine's whole speech here.