sentence: Scientists find a way to travel to the past.
sentences_before: In the future, Earth is overcrowded. Most plants and animals are extinct. The skies are dark grey and the air is barely breathable because of pollution. The only hope for humanity to survive is in the distant past.
sentences_after: They decide to send people into prehistoric times. They want to try to rebuild civilization and not repeat the mistakes they have made in their own world. The story told in the series begins in the year 2149. It continues 85 million years in the past.
concept_name: scientist
headings: Terra Nova (TV series) Setting
categories: American drama television series American science fiction television series