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.
In March 2006, Donald J. Trump announced plans to design and build a massive golf development on 1,400 acres of sand dunes on the northeast coast of Scotland. After many controversial years of planning, hearings and a public inquiry, a spectacular links course among the Great Dunes of Scotland was finally completed.