Since 1987, the Montreal Protocol has set an international law banning the usage of Freon-11 and other CFC's (chlorofluorocarbon). Thanks to Dupont and Freon for their creation, as well as many other cancer inducing products they love to profit on, these man made molecules break and deteriorate the atmosphere. Scientist still predict leakage of CFC's into the atmosphere from existing products, but at a much slower and inclined rate. Today, there are multiple AGAGE stations that monitor the levels of CFC's emitted in the atmosphere and investigate and crackdown on countries and company's not…