Ray DiLorenzo, Editor, Stand Up America US Foundation: Recent observations of phenomena such as glacial retreats, sea-level rise and the migration of temperature-sensitive species are not evidence for abnormal climate change, for none of these changes has been shown to lie outside the bounds of known natural variability...It is not possible to stop climate change, a natural phenomenon that has affected humanity through the ages. Press Release: U.S. Senate Committee on Environment and Public Works.