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Silent Running (1972)

IMDb: 6.7
1972

In a future where all flora is extinct on Earth, an astronaut is given orders to destroy the last of Earths botany, kept in a greenhouse aboard a spacecraft

Brainstorm (1983)

IMDb: 6.4
1983

Researchers develop a system where they can jump into peoples minds But when people involved bring their personal problems into the equation, it becomes dangerous perhaps deadly