Chlorofluorocarbons or CFCs are a chemical compound containing carbon, chlorine, and fluorine. Throughout the 20th century, CFCs were mass produced for their popularity in refrigeration and spray cans. In the 1970s, evidence began to show the harmful effects of CFCs on Earth.
Originally created as Great Sand Dunes National Monument on March 17, 1932, Great Sand Dunes National Park and Preserve was established by an act of the United States Congress on September 13, 2004.
About the GVD. The Great Victoria Desert (GVD) is not even near Victoria. It was, however, named after the same queen by the explorer Ernest Giles in 1875. The GVD is the largest dune desert in Australia, covering 350,000 square kilometres (35 million hectares).