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Environmental control

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Snowing on the promenade

Snowing on the Promenade

The environmental controls of a starship, space station, or even a colony were used to regulate atmospheric conditions including, but not limited to, the concentration of varying gases, lighting, temperature, humidity, and gravity.

Environmental controls were often used to deploy certain chemicals ship-wide or station-wide. This was done for both benign purposes, such as the release of a retrovirus to cure a ship-wide epidemic, (TNG: "Genesis"; VOY: "Macrocosm") or for more aggressive purposes such as the release of a general anesthetic. (TOS: "Space Seed"; TNG: "The Hunted", "Clues"; VOY: "Message in a Bottle"; DS9: "Tacking Into the Wind")

Types Edit

Aboard Federation starships and space stations, it was typical for there to be limited access to environmental control within crew quarters in order to meet the varied living requirements of these multi-species structures.

Typically, environmental controls for humidity were set to thirty-seven percent in standard conditions on Federation starships. (TNG: "Brothers")

On a larger scale, environmental controls could be integrated into a planet-wide network in order to regulate or moderate global weather. (TNG: "True Q", "Sub Rosa")

Because Cardassians preferred relatively warm locations, their environmental controls were usually set very high. (Star Trek: Deep Space Nine)

The environmental controls of Varro starships were completely regenerative, eliminating all waste. (VOY: "The Disease")

History Edit

When Chief Engineer Geordi La Forge left the USS Enterprise-E to make repairs on Zefram Cochrane's Phoenix in April of 2063, he named Lieutenant Paul Porter as being in command during his absence. He also ordered Porter to check the environmental controls, as it was warm in engineering. (Star Trek: First Contact)

Aboard an NX-class starship, the environmental controls could be operated from a dedicated console in the situation room. As part of a plan for Starfleet to retake the NX-class Enterprise from a Triannon takeover in 2153, the vessel's environmental controls were temporarily rerouted in order to spread a gaseous chemical agent throughout the craft, neutralizing organic explosives inside the Triannons' bodies. (ENT: "Chosen Realm")

The Starfleet crew of space station Deep Space 9 often had problems with the environmental controls soon after they took control of the station. (DS9: "Emissary", "Babel")

In 2369, Constable Odo contacted ops and asked if the environmental controls had broken down because it was snowing on the Promenade. (DS9: "If Wishes Were Horses")

In 2370, Miles O'Brien added a new subroutine to the environmental control for the habitat ring. (DS9: "Tribunal")

An operative of the True Way attempted to assassinate Shakaar Edon in 2372 by attempting to sabotage the environmental controls. (DS9: "Crossfire")

In 2373, an attack by the Tak Tak disabled the secondary power couplings on USS Voyager, preventing Captain Kathryn Janeway from accessing environmental controls to distribute an antigen to the macrovirus. (VOY: "Macrocosm")

In 2374, in an alternate timeline known as the Year of Hell, an attack on the USS Voyager by a Krenim warship caused the environmental controls to go down on decks 7 and 8. (VOY: "Year of Hell")

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