For questions about an environment or aspects of it such as geographical, atmospheric or climate.
An environment is the area around an object, an may include the physical features and other objects inside this are. Question with this tag usually deal with a wide variety of factors, including, but not limited to: atmosphere, geography, fauna, flora, and climates. Questions using this tag should, if possible, also include at least one other, more specific tag that helps to further narrow down the scope.
The health tag focuses specifically on how humans could survive in a given environment.