Hole in the Sky - 1987 (podcast)

==Summary==
:Remember when the people of Earth faced down an environmental disaster... and did something about it? It wasn't science fiction, it was our concern over the disappearing ozone layer, and it grabbed the attention of Star Treks producers in 1987. The Trek Files welcomes back Dr. to talk about the relationship between science advisors and science fiction.
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Category:TTF episodes