The Prospero Program was a top-secret government project to create a weather shield led by Dr. Emma Peel. The program created in antimatter was created using bombarding protons and ions which created artificial weather. Prospero was developed as a defensive measure to the accused whether to protect civilian populations in case of an attack.
Sir August de Wynter created a clone of Mrs. Peel and ordered her to destroy the Prospero facility and sabotage the weather shield. Wynter later used technology developed in the Prospero program to drastically change weather systems in an attempt to hold the world ransom.