Since long ago, the chemicals called chlorofluorocarbons (CFC) were used in aerosol cans and refrigerators. No one was aware of the effects that they brought with them. In the 1970s,  the scientists realized that the CFC which was being consumed was staying in the environment and eroding the ozone layer that protects us from the ultraviolet rays. … Continue reading CFCs Are Banned But Someone Is Still Producing The Ozone Killing Chemical