Heidi Cullen had said that all of these local and cable weather forecasters who have been certified by the AMS, the American Meteorological Society, should be decertified if they refuse to accept the proven science of man-made global warming. There are numerous credible scientists, who have not been convinced that this is anything other than sunspot activity or normal cycles that the earth has gone through for billions and billions and billions and billions of years. Science can't prove man-made global warming, they simply can't, so they come up with this notion of consensus.