diff --git a/bobgreenhouse/changelog.txt b/bobgreenhouse/changelog.txt
index 7a3d260f..c50e6063 100644
--- a/bobgreenhouse/changelog.txt
+++ b/bobgreenhouse/changelog.txt
@@ -3,6 +3,7 @@ Version: 1.2.0
 Date: ???
   Changes:
     - Recipes with variable output now show range in tooltip #125
+    - Added a small polution absorption effect to greenhouses #134
   Bugfixes:
     - Fixed wood recipe icons and order #122
 ---------------------------------------------------------------------------------------------------
diff --git a/bobgreenhouse/prototypes/entities.lua b/bobgreenhouse/prototypes/entities.lua
index d94313df..e5183b75 100644
--- a/bobgreenhouse/prototypes/entities.lua
+++ b/bobgreenhouse/prototypes/entities.lua
@@ -17,6 +17,7 @@ data:extend({
     energy_source = {
       type = "electric",
       usage_priority = "secondary-input",
+      emissions_per_minute = -10,
     },
     energy_usage = "100kW", --"25kW",
     resistances = {