An empire grows in the near reaches of space. The Yarkans have populated and polluted their world to a level of unpleasantness. But the rulers are not blind. They decide they can accomplish many goals with one great project. They live in a part of the galaxy that has nearby habitable worlds and mean to take advantage of that good fortune. Their project is to colonize habitable nearby worlds. This project will allow them to rid Yarka of its problems...