The environment commands allow you to swap between the different available environments.You will find these commands and the default Appearance pie menu:
When activated, this command will display a list of the available environments from which you will be able to choose the environment you wish to load into your simulation.
This command set the following environment in the list.
This command set the previous environment in the list.
By default in the right menu environment tab, this command lets you set the position of the environment. It avoid moving the whole mock-up.
Some environments (Nature, Launchpad, Sky, Sea) need to be updated (using the "apply" button in the parameters of the environment) to apply the new position of the environment origin.