diff --git a/icons/leafy-green.json b/icons/leafy-green.json
index 132deada8..47f6c20ef 100644
--- a/icons/leafy-green.json
+++ b/icons/leafy-green.json
@@ -13,6 +13,7 @@
   ],
   "categories": [
     "food-beverage",
-    "emoji"
+    "emoji",
+    "sustainability"
   ]
 }
diff --git a/icons/sprout.json b/icons/sprout.json
index 3a119700e..e8898deb5 100644
--- a/icons/sprout.json
+++ b/icons/sprout.json
@@ -11,6 +11,7 @@
   ],
   "categories": [
     "nature",
-    "gaming"
+    "gaming",
+    "sustainability"
   ]
 }
diff --git a/icons/sun.json b/icons/sun.json
index 2db6913a7..225c325d8 100644
--- a/icons/sun.json
+++ b/icons/sun.json
@@ -14,6 +14,7 @@
   "categories": [
     "accessibility",
     "weather",
-    "seasons"
+    "seasons",
+    "sustainability"
   ]
 }
diff --git a/icons/tree-deciduous.json b/icons/tree-deciduous.json
index ec27d58a2..3cb1ed92f 100644
--- a/icons/tree-deciduous.json
+++ b/icons/tree-deciduous.json
@@ -11,6 +11,7 @@
     "nature"
   ],
   "categories": [
-    "nature"
+    "nature",
+    "sustainability"
   ]
 }
diff --git a/icons/tree-palm.json b/icons/tree-palm.json
index 230845482..cbb0bbb56 100644
--- a/icons/tree-palm.json
+++ b/icons/tree-palm.json
@@ -9,7 +9,8 @@
     "island"
   ],
   "categories": [
-    "nature"
+    "nature",
+    "sustainability"
   ],
   "aliases": [
     "palmtree"
diff --git a/icons/tree-pine.json b/icons/tree-pine.json
index 873370ddf..d6c225c89 100644
--- a/icons/tree-pine.json
+++ b/icons/tree-pine.json
@@ -13,6 +13,7 @@
     "nature"
   ],
   "categories": [
-    "nature"
+    "nature",
+    "sustainability"
   ]
 }
diff --git a/icons/trees.json b/icons/trees.json
index e4d61beba..dcd9a1d37 100644
--- a/icons/trees.json
+++ b/icons/trees.json
@@ -10,6 +10,7 @@
     "nature"
   ],
   "categories": [
-    "nature"
+    "nature",
+    "sustainability"
   ]
 }
diff --git a/icons/waves.json b/icons/waves.json
index dae75d054..34028c059 100644
--- a/icons/waves.json
+++ b/icons/waves.json
@@ -15,6 +15,7 @@
   "categories": [
     "weather",
     "maps",
-    "multimedia"
+    "multimedia",
+    "sustainability"
   ]
 }
diff --git a/icons/wind.json b/icons/wind.json
index 083933f76..b1c5bb1ea 100644
--- a/icons/wind.json
+++ b/icons/wind.json
@@ -11,6 +11,7 @@
     "blow"
   ],
   "categories": [
-    "weather"
+    "weather",
+    "sustainability"
   ]
 }