Hi.i just thingking that what is enviroment map?is it some tool what i can use doing terrain or is it not?
Environment maps are used for image-based lighting, a way to realistically illuminate your scene. (Read more: https://clara.io/learn/user-guide/lighting_shading/lighting/image_based_lighting)
Additionally, the maps can be used as a visible background.
If you are looking to do terrain you will ned to use maps, learn more here: https://clara.io/learn/user-guide/lighting_shading/textures/textures
All the best,
Kiefer from Exocortex