"wild environment" is correct and usable in written English.
You can use it when you wish to describe a location or area that is natural and usually uninhabited by humans. For example: "We explored the wild environment of the remote island."
But the creation of a protected area to preserve the wild environment may threaten their survival.
The feeling when you step off the land into the sea, into an untamed and wild environment, is beautiful.
Escaped specimens breed with their wild brethren, producing future generations that are maladapted to the wild environment.
I loved the fact that such a wild environment had a real human history etched into it.
Passing through the gap we were witness to one of the two great forces at play on this vast and wild environment: the summer monsoon.
When they visited Duncraig, Sam fell in love with the area: the open spaces; the views across the tidal bay, Loch Carron; the remote and wild environment.
Her negative perceptions of Romanian "Otherness" include a childlike population living decadent lives, passive and immoral women, corruption, and a wild, untamed environment.
But do the viewers work in other wild environments, like New York's night scene?
Places like Baltimore, Minneapolis and Phoenix appear to be becoming more like one another ecologically than they are like the wild environments around them.
Autonomous robot navigation in wild environments is still an open problem and relies heavily on accurate terrain perception.
An organic infrastructure can be observed in unplanned environments, such as historic organic textures in rural or urban areas, informal settlements, and natural wild environments.
