diff --git a/Resources/Prototypes/Entities/Markers/environmental.yml b/Resources/Prototypes/Entities/Markers/environmental.yml
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+++ b/Resources/Prototypes/Entities/Markers/environmental.yml
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+# Radiation
+- type: entity
+  name: Marker Radiation
+  id: MarkerRadiation1
+  parent: MarkerBase
+  suffix: intensity 1
+  components:
+  - type: Sprite
+    layers:
+      - sprite: Markers/environment.rsi
+        state: base-green
+        shader: unshaded
+      - sprite: Markers/environment.rsi
+        shader: unshaded
+        state: rad
+  - type: RadiationSource
+    intensity: 1
+    
+- type: entity
+  parent: MarkerRadiation1
+  id: MarkerRadiation2
+  suffix: intensity 2
+  components:
+  - type: RadiationSource
+    intensity: 2
+    
+- type: entity
+  parent: MarkerRadiation1
+  id: MarkerRadiation3
+  suffix: intensity 3
+  components:
+  - type: RadiationSource
+    intensity: 3
+    
+- type: entity
+  parent: MarkerRadiation1
+  id: MarkerRadiation4
+  suffix: intensity 4
+  components:
+  - type: RadiationSource
+    intensity: 4
+    
+- type: entity
+  parent: MarkerRadiation1
+  id: MarkerRadiation5
+  suffix: intensity 5
+  components:
+  - type: RadiationSource
+    intensity: 5
+    
+- type: entity
+  parent: MarkerRadiation1
+  id: MarkerRadiation10
+  suffix: intensity 10
+  components:
+  - type: RadiationSource
+    intensity: 10
+    
+# Invisible Walls
+- type: entity
+  name: Marker Blocker
+  id: MarkerBlocker
+  parent: MarkerBase
+  suffix: invisible wall
+  components:
+  - type: Sprite
+    layers:
+      - sprite: Markers/environment.rsi
+        state: base-blue
+        shader: unshaded
+      - sprite: Markers/environment.rsi
+        shader: unshaded
+        state: wall
+  - type: PlacementReplacement
+    key: blocker
+  - type: Fixtures
+    fixtures:
+      fix1:
+        shape:
+          !type:PhysShapeAabb
+          bounds: "-0.5,-0.5,0.5,0.5"
+        mask:
+        - FullTileMask
+        layer:
+        - WallLayer
+        density: 1000
+  - type: Physics
+    bodyType: Static
+
+
+# Weather Blocker
+- type: entity
+  name: Marker Weather Blocker
+  id: MarkerWeatherblocker
+  parent: MarkerBase
+  components:
+  - type: Sprite
+    sprite: Markers/environment.rsi
+    state: weather
+  - type: BlockWeather
diff --git a/Resources/Textures/Markers/environment.rsi/base-blue.png b/Resources/Textures/Markers/environment.rsi/base-blue.png
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diff --git a/Resources/Textures/Markers/environment.rsi/base-green.png b/Resources/Textures/Markers/environment.rsi/base-green.png
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index 00000000000..a39bca9cdca
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diff --git a/Resources/Textures/Markers/environment.rsi/base-red.png b/Resources/Textures/Markers/environment.rsi/base-red.png
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index 00000000000..e0d68f8b9e5
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diff --git a/Resources/Textures/Markers/environment.rsi/fire.png b/Resources/Textures/Markers/environment.rsi/fire.png
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diff --git a/Resources/Textures/Markers/environment.rsi/meta.json b/Resources/Textures/Markers/environment.rsi/meta.json
new file mode 100644
index 00000000000..6fc7decc8b9
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+++ b/Resources/Textures/Markers/environment.rsi/meta.json
@@ -0,0 +1,32 @@
+{
+  "version": 1,
+  "license": "CC-BY-NC-SA-3.0",
+  "copyright": "Nuclear14",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "base-blue"
+    },
+    {
+      "name": "base-red"
+    },
+    {
+      "name": "base-green"
+    },
+    {
+      "name": "fire"
+    },
+    {
+     "name": "rad"
+    },
+    {
+     "name": "wall"
+    },
+    {
+     "name": "weather"
+    }
+  ]
+}
diff --git a/Resources/Textures/Markers/environment.rsi/rad.png b/Resources/Textures/Markers/environment.rsi/rad.png
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index 00000000000..ae01d871434
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diff --git a/Resources/Textures/Markers/environment.rsi/wall.png b/Resources/Textures/Markers/environment.rsi/wall.png
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index 00000000000..2aaeaaf0144
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diff --git a/Resources/Textures/Markers/environment.rsi/weather.png b/Resources/Textures/Markers/environment.rsi/weather.png
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index 00000000000..adb9f53a473
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