# Environmental effects reference

Learn about properties and options that relate to [environmental effects](environmental-effects.md) in HDRP. 

| Page | Description |
| - | - |
|[Sky](reference-sky.md)|Properties and options in Sky volume overrides.|
|[Clouds](reference-clouds.md)|Properties and options in Cloud volume overrides.|
|[Fog](reference-fog.md)|Properties and options in Fog volume overrides.|
|[Settings and properties related to the Water System](settings-and-properties-related-to-the-water-system.md)|Water system properties in the Inspector, volume override, rendering debugger, and HDRP Asset.|