It's seemingly a little capsule of Earth, which is why the structure is called Biosphere 2 – named after our own planet, Biosphere 1.

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In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, oceans and savannah.

Biosphere 2, about 20 miles north of Tucson, is supporting startup companies focused on renewable energy and sustainable technologies.

Inside Biosphere 2's giant glass pyramid, tropical trees stretch 80 feet above the forest floor. Crazy ants, so named because of their erratic movements, scurry below.

From studying coral reefs to coffee farming, UA leaders believe facility north of Tucson is poised to gain footing as important research hub.

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The Monarch Butterfly Biosphere Reserve World Heritage property protects key overwintering sites for the monarch butterfly. The overwintering concentration of butterflies in the property is a ...

Two censuses (1998-1999) were performed in a Pine-Cupressus forest in the core zone of the Triunfo Biosphere Reserve, and a Montane Rain Forest in its buffer zone. Neighboring floristic composition, ...

The entire Nanda Devi Biosphere Reserve lies within the Western Himalayas Endemic Bird Area (EBA). Seven restricted-range bird species are endemic to this part of the EBA. Integrity The Nanda Devi and ...

In 2024, the island was named the sunniest place in the UK, receiving more sun than Italy during winter.