Biosphere 2

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Biosphere 2 is an Earth systems science research facility. Its mission is to serve as a center for research, outreach, teaching, and lifelong learning about Earth, its living systems, and its place in the universe.

It was named "Biosphere 2" because it was meant to be the second fully self-sufficient biosphere, after the Earth itself.

Biosphere 2 was originally meant to explore the interactions within life systems in a building with five areas based on biomes, and an agricultural area and human living and working space to study the interactions between humans, farming, and technology with the rest of nature.