1) Federal minimum wage- The federal government established a minimum wage that individuals can receive for working at a specific business. This law was passed after decades of protest and fighting between labor and management.
2) Overtime pay- State governments created laws to ensure that anyone who works over a 40 hour work week will receive overtime pay. This was enacted to prevent businesses from overworking employees.
3) Creation of the FDA- The Food and Drug Administration is a government agency that checks on the working/food prep conditions for restauraunts. This ensures a safe and clean working environment for employees.
4) Social Security Act- This federal law helped to provide financial assistance to individuals who were on disability due to a work accident.
The scenario "Banning CFCs has resulted in the shrinking of a hole in the ozone above Antarctica." illustrates an example of how environmental policies have resulted in the reversal of environmental damage. I hope my answer has come to your help. God bless and have a nice day ahead!