Literature
Planet Profile: Earth
Profile: Earth
Earth has existed in various states throughout its history: Ice ages, desertification time periods, times of great dryness, etc. Man brought much change to the world. In the 20th century, man experimented with synthetic substances and nuclear materials. Man dumped these into the oceans, buried them underground, or let these substances or sources of power surge into the atmosphere. These chemicals would eventually cause genetic changes in animals and man himself. Man caused great extinctions and caused much ecological change, just by learning how to control his environment, like most sentient species.
The year is 2330 and man