Old Earth

Earth prior to the break-away colonies and Classic Earth. Despite the dreams of the early Sci-Fi writers, space exploration came to a near stand-still in the 1970s when the funds were diverted to what was seen as more important causes. When humanity was faced with near extinction 50 years later due to Pollution interest returned, but it was all too late for that option then. Even so the people of Old Earth only survived due to some of that reseach when Habitation technology designed for colony ships was re-applied.