Originally uploaded to https://www.youtube.com/watch?v=0RYvNsUnMPE by Tony Heller In this video I show how climate scientists have continuously changed their story over the past 40 years. The same things they used to blame on global cooling and excess sea ice, now they blame on global warming and shrinking sea ice. Also note how YouTube has attached a propaganda banner across the bottom of my video. Facts threaten the global warming scam.