diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 4e40de9..df3efdb 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -60,11 +60,13 @@
         return admin_client
 
     @classmethod
-    def create_stack(cls, stack_name, template_data, parameters={}):
+    def create_stack(cls, stack_name, template_data, parameters={},
+                     environment=None):
         resp, body = cls.client.create_stack(
             stack_name,
             template=template_data,
-            parameters=parameters)
+            parameters=parameters,
+            environment=environment)
         stack_id = resp['location'].split('/')[-1]
         stack_identifier = '%s/%s' % (stack_name, stack_id)
         cls.stacks.append(stack_identifier)
diff --git a/tempest/api/orchestration/stacks/templates/random_string.yaml b/tempest/api/orchestration/stacks/templates/random_string.yaml
new file mode 100644
index 0000000..dfd2342
--- /dev/null
+++ b/tempest/api/orchestration/stacks/templates/random_string.yaml
@@ -0,0 +1,18 @@
+heat_template_version: 2013-05-23
+
+parameters:
+  random_length:
+    type: number
+    default: 10
+
+resources:
+  random:
+    type: OS::Heat::RandomString
+    properties:
+        length: {get_param: random_length}
+
+outputs:
+  random_length:
+    value: {get_param: random_length}
+  random_value:
+    value: {get_attr: [random, value]}
diff --git a/tempest/api/orchestration/stacks/test_environment.py b/tempest/api/orchestration/stacks/test_environment.py
new file mode 100644
index 0000000..7ed65e8
--- /dev/null
+++ b/tempest/api/orchestration/stacks/test_environment.py
@@ -0,0 +1,42 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import logging
+
+from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
+from tempest import config
+from tempest import test
+
+
+CONF = config.CONF
+LOG = logging.getLogger(__name__)
+
+
+class StackEnvironmentTest(base.BaseOrchestrationTest):
+
+    @test.attr(type='gate')
+    def test_environment_parameter(self):
+        """Test passing a stack parameter via the environment."""
+        stack_name = data_utils.rand_name('heat')
+        template = self.load_template('random_string')
+        environment = {'parameters': {'random_length': 20}}
+
+        stack_identifier = self.create_stack(stack_name, template,
+                                             environment=environment)
+        self.client.wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE')
+
+        random_len = self.get_stack_output(stack_identifier, 'random_length')
+        self.assertEqual(20, random_len)
+
+        random_value = self.get_stack_output(stack_identifier, 'random_value')
+        self.assertEqual(20, len(random_value))
diff --git a/tempest/services/orchestration/json/orchestration_client.py b/tempest/services/orchestration/json/orchestration_client.py
index 2311bdd..1bbdb07 100644
--- a/tempest/services/orchestration/json/orchestration_client.py
+++ b/tempest/services/orchestration/json/orchestration_client.py
@@ -45,28 +45,31 @@
         return resp, body['stacks']
 
     def create_stack(self, name, disable_rollback=True, parameters={},
-                     timeout_mins=60, template=None, template_url=None):
+                     timeout_mins=60, template=None, template_url=None,
+                     environment=None):
         headers, body = self._prepare_update_create(
             name,
             disable_rollback,
             parameters,
             timeout_mins,
             template,
-            template_url)
+            template_url,
+            environment)
         uri = 'stacks'
         resp, body = self.post(uri, headers=headers, body=body)
         return resp, body
 
     def update_stack(self, stack_identifier, name, disable_rollback=True,
                      parameters={}, timeout_mins=60, template=None,
-                     template_url=None):
+                     template_url=None, environment=None):
         headers, body = self._prepare_update_create(
             name,
             disable_rollback,
             parameters,
             timeout_mins,
             template,
-            template_url)
+            template_url,
+            environment)
 
         uri = "stacks/%s" % stack_identifier
         resp, body = self.put(uri, headers=headers, body=body)
@@ -74,13 +77,15 @@
 
     def _prepare_update_create(self, name, disable_rollback=True,
                                parameters={}, timeout_mins=60,
-                               template=None, template_url=None):
+                               template=None, template_url=None,
+                               environment=None):
         post_body = {
             "stack_name": name,
             "disable_rollback": disable_rollback,
             "parameters": parameters,
             "timeout_mins": timeout_mins,
-            "template": "HeatTemplateFormatVersion: '2012-12-12'\n"
+            "template": "HeatTemplateFormatVersion: '2012-12-12'\n",
+            "environment": environment
         }
         if template:
             post_body['template'] = template