diff --git a/colorbleed/maya/lib.py b/colorbleed/maya/lib.py
index efb29ed35c..c0f24fe6f2 100644
--- a/colorbleed/maya/lib.py
+++ b/colorbleed/maya/lib.py
@@ -12,14 +12,14 @@ from collections import OrderedDict, defaultdict
 
 from maya import cmds, mel
 
-from avalon import maya, io
+from avalon import Session, maya, io
 from cb.utils.maya import core
 
 
 log = logging.getLogger(__name__)
 
 project = io.find_one({"type": "project",
-                       "name": os.environ["AVALON_PROJECT"]},
+                       "name": Session["AVALON_PROJECT"]},
                        projection={"config.template.publish": True,
                                    "_id": False})
 TEMPLATE = project["config"]["template"]["publish"]
@@ -656,8 +656,7 @@ def generate_ids(nodes):
     """Assign a new id of the current active context to the nodes"""
 
     # Get the asset ID from the database for the asset of current context
-    asset = os.environ["AVALON_ASSET"]
-    asset_id = io.find_one({"type": "asset", "name": asset},
+    asset_id = io.find_one({"type": "asset", "name": Session["AVALON_ASSET"]},
                            projection={"_id": True})
 
     for node in nodes:
@@ -700,7 +699,7 @@ def get_representation_file(representation, template=TEMPLATE):
 
     """
     context = representation["context"].copy()
-    context["root"] = os.environ["AVALON_ROOT"]
+    context["root"] = Session["AVALON_ROOT"]
     return template.format(**context)
 
 
diff --git a/colorbleed/plugins/maya/load/load_rig.py b/colorbleed/plugins/maya/load/load_rig.py
index ee54de2ad6..2057086b71 100644
--- a/colorbleed/plugins/maya/load/load_rig.py
+++ b/colorbleed/plugins/maya/load/load_rig.py
@@ -1,8 +1,6 @@
-import os
-
 from maya import cmds
 
-from avalon import api, maya
+from avalon import api, Session, maya
 
 
 class RigLoader(api.Loader):
@@ -56,7 +54,7 @@ class RigLoader(api.Loader):
         roots = cmds.ls(self[:], assemblies=True, long=True)
         assert roots, "No root nodes in rig, this is a bug."
 
-        asset = os.environ["AVALON_ASSET"]
+        asset = Session["AVALON_ASSET"]
         dependency = str(context["representation"]["_id"])
 
         # Create the animation instance
diff --git a/colorbleed/plugins/maya/publish/collect_renderlayers.py b/colorbleed/plugins/maya/publish/collect_renderlayers.py
index 971c9b582f..4cad5d7b3c 100644
--- a/colorbleed/plugins/maya/publish/collect_renderlayers.py
+++ b/colorbleed/plugins/maya/publish/collect_renderlayers.py
@@ -1,9 +1,8 @@
-import os
 from maya import cmds
 
 import pyblish.api
 
-from avalon import maya, api
+from avalon import Session, maya, api
 import colorbleed.maya.lib as lib
 
 
@@ -18,7 +17,7 @@ class CollectMindbenderMayaRenderlayers(pyblish.api.ContextPlugin):
     def process(self, context):
 
         registered_root = api.registered_root()
-        asset_name = os.environ["AVALON_ASSET"]
+        asset_name = Session["AVALON_ASSET"]
 
         current_file = context.data["currentFile"]
         relative_file = current_file.replace(registered_root, "{root}")
diff --git a/colorbleed/plugins/publish/collect_assumed_destination.py b/colorbleed/plugins/publish/collect_assumed_destination.py
index d57039e8fb..201fef67aa 100644
--- a/colorbleed/plugins/publish/collect_assumed_destination.py
+++ b/colorbleed/plugins/publish/collect_assumed_destination.py
@@ -1,7 +1,7 @@
 import pyblish.api
 import os
 
-import avalon.io as io
+from avalon import Session, io
 
 
 class CollectAssumedDestination(pyblish.api.InstancePlugin):
@@ -64,7 +64,7 @@ class CollectAssumedDestination(pyblish.api.InstancePlugin):
         # get all the stuff from the database
         subset_name = instance.data["subset"]
         asset_name = instance.data["asset"]
-        project_name = os.environ["AVALON_PROJECT"]
+        project_name = Session["AVALON_PROJECT"]
 
         project = io.find_one({"type": "project",
                                "name": project_name},
@@ -95,9 +95,9 @@ class CollectAssumedDestination(pyblish.api.InstancePlugin):
         if version is not None:
             version_number += version["name"]
 
-        template_data = {"root": os.environ["AVALON_PROJECTS"],
+        template_data = {"root": Session["AVALON_PROJECTS"],
                          "project": project_name,
-                         "silo": os.environ["AVALON_SILO"],
+                         "silo": Session["AVALON_SILO"],
                          "asset": asset_name,
                          "subset": subset_name,
                          "version": version_number,
diff --git a/colorbleed/plugins/publish/integrate.py b/colorbleed/plugins/publish/integrate.py
index 2c96d69556..c4b9325b6e 100644
--- a/colorbleed/plugins/publish/integrate.py
+++ b/colorbleed/plugins/publish/integrate.py
@@ -4,7 +4,7 @@ import shutil
 
 import errno
 import pyblish.api
-from avalon import api, io
+from avalon import Session, api, io
 
 
 log = logging.getLogger(__name__)
@@ -47,10 +47,10 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
     def register(self, instance):
 
         # Required environment variables
-        PROJECT = os.environ["AVALON_PROJECT"]
-        ASSET = instance.data.get("asset") or os.environ["AVALON_ASSET"]
-        SILO = os.environ["AVALON_SILO"]
-        LOCATION = os.getenv("AVALON_LOCATION")
+        PROJECT = Session["AVALON_PROJECT"]
+        ASSET = instance.data.get("asset") or Session["AVALON_ASSET"]
+        SILO = Session["AVALON_SILO"]
+        LOCATION = Session("AVALON_LOCATION")
 
         context = instance.context
         # Atomicity