diff --git a/ThreeEngine/lights/EnvironmentMap.cpp b/ThreeEngine/lights/EnvironmentMap.cpp
index b9cdbfc..41d8370 100644
--- a/ThreeEngine/lights/EnvironmentMap.cpp
+++ b/ThreeEngine/lights/EnvironmentMap.cpp
@@ -4,12 +4,14 @@
 struct EnvironmentMapConst
 {
 	glm::vec4 shCoefficients[9];
+	float intensity;
 	float diffuseThresh;
 	float diffuseHigh;
 	float diffuseLow;
 	float specularThresh;
 	float specularHigh;
 	float specularLow;
+	float padding;
 };
 
 EnvironmentMap::EnvironmentMap(): m_constant(sizeof(EnvironmentMapConst), GL_UNIFORM_BUFFER)
@@ -27,6 +29,7 @@ void EnvironmentMap::updateConstant()
 {
 	EnvironmentMapConst c;
 	memcpy(c.shCoefficients, shCoefficients, sizeof(glm::vec4) * 9);
+	c.intensity = intensity;
 	c.diffuseThresh = diffuse_thresh;
 	c.diffuseHigh = diffuse_high;
 	c.diffuseLow = diffuse_low;
diff --git a/ThreeEngine/lights/EnvironmentMap.h b/ThreeEngine/lights/EnvironmentMap.h
index 4c27be3..e0757c9 100644
--- a/ThreeEngine/lights/EnvironmentMap.h
+++ b/ThreeEngine/lights/EnvironmentMap.h
@@ -11,6 +11,7 @@ class EnvironmentMap : public IndirectLight
 	~EnvironmentMap();
 
 	glm::vec4 shCoefficients[9];
+	float intensity = 1.0f;
 
 	GLBuffer m_constant;
 	void updateConstant();
diff --git a/ThreeEngine/renderers/bvh_routines/BVHRoutine.cpp b/ThreeEngine/renderers/bvh_routines/BVHRoutine.cpp
index ca455a9..f428b89 100644
--- a/ThreeEngine/renderers/bvh_routines/BVHRoutine.cpp
+++ b/ThreeEngine/renderers/bvh_routines/BVHRoutine.cpp
@@ -571,7 +571,7 @@ R"(
 layout (location = LOCATION_TEX_LIGHTMAP) uniform sampler2D uTexLightmap;
 #endif 
 
-vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ] ) 
+vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ]) 
 {
 	// normal is assumed to have unit length
 
@@ -599,6 +599,7 @@ vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ] )
 layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 	float uDiffuseThresh;
 	float uDiffuseHigh;
 	float uDiffuseLow;
@@ -609,7 +610,7 @@ layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 
 vec3 getIrradiance(in vec3 normal)
 {
-	return shGetIrradianceAt(normal, uSHCoefficients);
+	return shGetIrradianceAt(normal, uSHCoefficients) * uIntensity;
 }
 
 #endif
diff --git a/ThreeEngine/renderers/bvh_routines/CompDrawFog.cpp b/ThreeEngine/renderers/bvh_routines/CompDrawFog.cpp
index 1afccfa..9a72cf2 100644
--- a/ThreeEngine/renderers/bvh_routines/CompDrawFog.cpp
+++ b/ThreeEngine/renderers/bvh_routines/CompDrawFog.cpp
@@ -23,11 +23,12 @@ layout (location = 0) uniform sampler2D uDepthTex;
 layout (std140, binding = 1) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 };
 
 vec3 GetIrradiance()
 {
-	return uSHCoefficients[0].xyz * 0.886227;
+	return uSHCoefficients[0].xyz * 0.886227 * uIntensity;
 }
 #elif HAS_AMBIENT_LIGHT
 layout (std140, binding = 1) uniform AmbientLight
diff --git a/ThreeEngine/renderers/routines/DrawFog.cpp b/ThreeEngine/renderers/routines/DrawFog.cpp
index 37ebb1a..08f0a7b 100644
--- a/ThreeEngine/renderers/routines/DrawFog.cpp
+++ b/ThreeEngine/renderers/routines/DrawFog.cpp
@@ -59,11 +59,12 @@ layout (location = 0) uniform sampler2D uDepthTex;
 layout (std140, binding = 3) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 };
 
 vec3 GetIrradiance()
 {
-	return uSHCoefficients[0].xyz * 0.886227;
+	return uSHCoefficients[0].xyz * 0.886227 * uIntensity;
 }
 #elif HAS_AMBIENT_LIGHT
 layout (std140, binding = 3) uniform AmbientLight
diff --git a/ThreeEngine/renderers/routines/SimpleRoutine.cpp b/ThreeEngine/renderers/routines/SimpleRoutine.cpp
index 2a2e179..bd72718 100644
--- a/ThreeEngine/renderers/routines/SimpleRoutine.cpp
+++ b/ThreeEngine/renderers/routines/SimpleRoutine.cpp
@@ -311,7 +311,7 @@ R"(
 layout (location = LOCATION_TEX_LIGHTMAP) uniform sampler2D uTexLightmap;
 #endif 
 
-vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ] ) 
+vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ]) 
 {
 	// normal is assumed to have unit length
 
@@ -339,6 +339,7 @@ vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ] )
 layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 	float uDiffuseThresh;
 	float uDiffuseHigh;
 	float uDiffuseLow;
@@ -349,7 +350,7 @@ layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 
 vec3 getIrradiance(in vec3 normal)
 {
-	return shGetIrradianceAt(normal, uSHCoefficients);
+	return shGetIrradianceAt(normal, uSHCoefficients) * uIntensity;
 }
 
 #endif
diff --git a/ThreeEngine/renderers/routines/StandardRoutine.cpp b/ThreeEngine/renderers/routines/StandardRoutine.cpp
index 4084a50..d6fec3e 100644
--- a/ThreeEngine/renderers/routines/StandardRoutine.cpp
+++ b/ThreeEngine/renderers/routines/StandardRoutine.cpp
@@ -682,7 +682,7 @@ vec3 getRadiance(in vec3 worldPos, in vec3 viewDir, in vec3 norm, const in vec3
 }
 #endif
 
-vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ] ) 
+vec3 shGetIrradianceAt( in vec3 normal, in vec4 shCoefficients[ 9 ]) 
 {
 	// normal is assumed to have unit length
 
@@ -783,6 +783,7 @@ vec3 getReflectionDir(in vec3 dir, in vec3 norm)
 layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 	float uDiffuseThresh;
 	float uDiffuseHigh;
 	float uDiffuseLow;
@@ -793,7 +794,7 @@ layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 
 vec3 getIrradiance(in vec3 normal)
 {
-	return shGetIrradianceAt(normal, uSHCoefficients);
+	return shGetIrradianceAt(normal, uSHCoefficients) * uIntensity;
 }
 
 #endif
diff --git a/ThreeEngine/volume/routines/DrawIsosurface.cpp b/ThreeEngine/volume/routines/DrawIsosurface.cpp
index 6b37b74..9bd2cdc 100644
--- a/ThreeEngine/volume/routines/DrawIsosurface.cpp
+++ b/ThreeEngine/volume/routines/DrawIsosurface.cpp
@@ -277,6 +277,7 @@ vec3 getReflRadiance(in vec3 reflectVec, float roughness)
 layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 {
 	vec4 uSHCoefficients[9];
+	float uIntensity;
 	float uDiffuseThresh;
 	float uDiffuseHigh;
 	float uDiffuseLow;
@@ -287,7 +288,7 @@ layout (std140, binding = BINDING_ENVIRONMEN_MAP) uniform EnvironmentMap
 
 vec3 getIrradiance(in vec3 world_pos, in vec3 normal)
 {
-	return shGetIrradianceAt(normal, uSHCoefficients);
+	return shGetIrradianceAt(normal, uSHCoefficients) * uIntensity;
 }
 
 #endif