diff --git a/Makefile b/Makefile
index e2e1609..d082166 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # This file has been auto-generated.
 # All changes will be lost, see Projectfile.
 #
-# Updated at 2017-09-18 17:18:20.676696
+# Updated at 2017-09-30 11:26:44.075878
 
 PACKAGE ?= bonobo
 PYTHON ?= $(shell which python)
diff --git a/Projectfile b/Projectfile
index c3fb919..0973c1f 100644
--- a/Projectfile
+++ b/Projectfile
@@ -31,7 +31,7 @@ python.setup(
         'bonobo.commands': [
             'convert = bonobo.commands.convert:register',
             'init = bonobo.commands.init:register',
-            'graph = bonobo.commands.graph:register',
+            'inspect = bonobo.commands.inspect:register',
             'run = bonobo.commands.run:register',
             'version = bonobo.commands.version:register',
         ],
diff --git a/bonobo/commands/graph.py b/bonobo/commands/graph.py
deleted file mode 100644
index 7afa8de..0000000
--- a/bonobo/commands/graph.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import json
-
-import itertools
-
-from bonobo.util.objects import get_name
-from bonobo.commands.run import read, register_generic_run_arguments
-from bonobo.constants import BEGIN
-
-
-def execute(filename, module, install=False, quiet=False, verbose=False):
-    graph, plugins, services = read(filename, module, install, quiet, verbose)
-
-    print('digraph {')
-    print('  rankdir = LR;')
-    print('  "BEGIN" [shape="point"];')
-
-    for i in graph.outputs_of(BEGIN):
-        print('  "BEGIN" -> ' + json.dumps(get_name(graph[i])) + ';')
-
-    for ix in graph.topologically_sorted_indexes:
-        for iy in graph.outputs_of(ix):
-            print('  {} -> {};'.format(
-                json.dumps(get_name(graph[ix])),
-                json.dumps(get_name(graph[iy]))
-            ))
-
-    print('}')
-
-
-def register(parser):
-    register_generic_run_arguments(parser)
-    return execute
diff --git a/bonobo/commands/inspect.py b/bonobo/commands/inspect.py
new file mode 100644
index 0000000..bb82704
--- /dev/null
+++ b/bonobo/commands/inspect.py
@@ -0,0 +1,34 @@
+import json
+
+from bonobo.commands.run import read, register_generic_run_arguments
+from bonobo.constants import BEGIN
+from bonobo.util.objects import get_name
+
+OUTPUT_GRAPHVIZ = 'graphviz'
+
+
+def execute(*, output, **kwargs):
+    graph, plugins, services = read(**kwargs)
+
+    if output == OUTPUT_GRAPHVIZ:
+        print('digraph {')
+        print('  rankdir = LR;')
+        print('  "BEGIN" [shape="point"];')
+
+        for i in graph.outputs_of(BEGIN):
+            print('  "BEGIN" -> ' + json.dumps(get_name(graph[i])) + ';')
+
+        for ix in graph.topologically_sorted_indexes:
+            for iy in graph.outputs_of(ix):
+                print('  {} -> {};'.format(json.dumps(get_name(graph[ix])), json.dumps(get_name(graph[iy]))))
+
+        print('}')
+    else:
+        raise NotImplementedError('Output type not implemented.')
+
+
+def register(parser):
+    register_generic_run_arguments(parser)
+    parser.add_argument('--graph', '-g', dest='output', action='store_const', const=OUTPUT_GRAPHVIZ)
+    parser.set_defaults(output=OUTPUT_GRAPHVIZ)
+    return execute
diff --git a/bonobo/commands/run.py b/bonobo/commands/run.py
index 604fc39..2204a3b 100644
--- a/bonobo/commands/run.py
+++ b/bonobo/commands/run.py
@@ -3,7 +3,7 @@ import os
 import bonobo
 from bonobo.constants import DEFAULT_SERVICES_ATTR, DEFAULT_SERVICES_FILENAME
 
-DEFAULT_GRAPH_FILENAMES = ('__main__.py', 'main.py',)
+DEFAULT_GRAPH_FILENAMES = ('__main__.py', 'main.py', )
 DEFAULT_GRAPH_ATTR = 'get_graph'
 
 
@@ -40,7 +40,8 @@ def _install_requirements(requirements):
     importlib.reload(site)
 
 
-def read(filename, module, install=False, quiet=False, verbose=False):
+def read(filename, module, install=False, quiet=False, verbose=False, env=None):
+    import re
     import runpy
     from bonobo import Graph, settings
 
@@ -50,6 +51,12 @@ def read(filename, module, install=False, quiet=False, verbose=False):
     if verbose:
         settings.DEBUG.set(True)
 
+    if env:
+        quote_killer = re.compile('["\']')
+        for e in env:
+            var_name, var_value = e.split('=')
+            os.environ[var_name] = quote_killer.sub('', var_value)
+
     if filename:
         if os.path.isdir(filename):
             if install:
@@ -89,14 +96,10 @@ def read(filename, module, install=False, quiet=False, verbose=False):
     return graph, plugins, services
 
 
-def execute(filename, module, install=False, quiet=False, verbose=False):
-    graph, plugins, services = read(filename, module, install, quiet, verbose)
+def execute(filename, module, install=False, quiet=False, verbose=False, env=None):
+    graph, plugins, services = read(filename, module, install, quiet, verbose, env)
 
-    return bonobo.run(
-        graph,
-        plugins=plugins,
-        services=services
-    )
+    return bonobo.run(graph, plugins=plugins, services=services)
 
 
 def register_generic_run_arguments(parser, required=True):
@@ -112,4 +115,5 @@ def register(parser):
     verbosity_group.add_argument('--quiet', '-q', action='store_true')
     verbosity_group.add_argument('--verbose', '-v', action='store_true')
     parser.add_argument('--install', '-I', action='store_true')
+    parser.add_argument('--env', '-e', action='append')
     return execute
diff --git a/bonobo/util/graphviz.py b/bonobo/util/graphviz.py
index fa88974..588e374 100644
--- a/bonobo/util/graphviz.py
+++ b/bonobo/util/graphviz.py
@@ -1,4 +1,3 @@
-
 def render_as_dot(graph):
     """
     
@@ -6,4 +5,4 @@ def render_as_dot(graph):
     :return: str
     """
 
-    pass
\ No newline at end of file
+    pass
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a32a834..92123d5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 -e .[dev]
 alabaster==0.7.10
 arrow==0.10.0
-babel==2.4.0
+babel==2.5.1
 binaryornot==0.4.4
 certifi==2017.7.27.1
 chardet==3.0.4
@@ -10,7 +10,7 @@ cookiecutter==1.5.1
 coverage==4.4.1
 docutils==0.14
 future==0.16.0
-idna==2.5
+idna==2.6
 imagesize==0.7.1
 jinja2-time==0.2.0
 jinja2==2.9.6
@@ -21,13 +21,13 @@ pygments==2.2.0
 pytest-cov==2.5.1
 pytest-sugar==0.8.0
 pytest-timeout==1.2.0
-pytest==3.2.1
+pytest==3.2.2
 python-dateutil==2.6.1
 pytz==2017.2
-requests==2.18.3
-six==1.10.0
+requests==2.18.4
+six==1.11.0
 snowballstemmer==1.2.1
-sphinx==1.6.3
+sphinx==1.6.4
 sphinxcontrib-websupport==1.0.1
 termcolor==1.1.0
 urllib3==1.22
diff --git a/requirements-docker.txt b/requirements-docker.txt
index b06ffea..870223d 100644
--- a/requirements-docker.txt
+++ b/requirements-docker.txt
@@ -6,15 +6,15 @@ chardet==3.0.4
 colorama==0.3.9
 docker-pycreds==0.2.1
 docker==2.3.0
-fs==2.0.7
-idna==2.5
+fs==2.0.11
+idna==2.6
 packaging==16.8
 pbr==3.1.1
-psutil==5.2.2
+psutil==5.3.1
 pyparsing==2.2.0
 pytz==2017.2
-requests==2.18.3
-six==1.10.0
-stevedore==1.25.0
+requests==2.18.4
+six==1.11.0
+stevedore==1.27.0
 urllib3==1.22
 websocket-client==0.44.0
diff --git a/requirements-jupyter.txt b/requirements-jupyter.txt
index 44ffdca..94b10ea 100644
--- a/requirements-jupyter.txt
+++ b/requirements-jupyter.txt
@@ -1,26 +1,27 @@
 -e .[jupyter]
 appnope==0.1.0
-bleach==2.0.0
+bleach==2.1
 decorator==4.1.2
 entrypoints==0.2.3
 html5lib==0.999999999
 ipykernel==4.6.1
 ipython-genutils==0.2.0
-ipython==6.1.0
-ipywidgets==6.0.0
-jedi==0.10.2
+ipython==6.2.1
+ipywidgets==6.0.1
+jedi==0.11.0
 jinja2==2.9.6
 jsonschema==2.6.0
 jupyter-client==5.1.0
-jupyter-console==5.1.0
+jupyter-console==5.2.0
 jupyter-core==4.3.0
 jupyter==1.0.0
 markupsafe==1.0
 mistune==0.7.4
-nbconvert==5.2.1
-nbformat==4.3.0
-notebook==5.0.0
+nbconvert==5.3.1
+nbformat==4.4.0
+notebook==5.1.0
 pandocfilters==1.4.2
+parso==0.1.0
 pexpect==4.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
@@ -28,13 +29,13 @@ ptyprocess==0.5.2
 pygments==2.2.0
 python-dateutil==2.6.1
 pyzmq==16.0.2
-qtconsole==4.3.0
+qtconsole==4.3.1
 simplegeneric==0.8.1
-six==1.10.0
+six==1.11.0
 terminado==0.6
 testpath==0.3.1
-tornado==4.5.1
+tornado==4.5.2
 traitlets==4.3.2
 wcwidth==0.1.7
 webencodings==0.5.1
-widgetsnbextension==2.0.0
+widgetsnbextension==2.0.1
diff --git a/requirements.txt b/requirements.txt
index 02c949b..61ab27d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,14 +3,14 @@ appdirs==1.4.3
 certifi==2017.7.27.1
 chardet==3.0.4
 colorama==0.3.9
-fs==2.0.7
-idna==2.5
+fs==2.0.11
+idna==2.6
 packaging==16.8
 pbr==3.1.1
-psutil==5.2.2
+psutil==5.3.1
 pyparsing==2.2.0
 pytz==2017.2
-requests==2.18.3
-six==1.10.0
-stevedore==1.25.0
+requests==2.18.4
+six==1.11.0
+stevedore==1.27.0
 urllib3==1.22
diff --git a/setup.py b/setup.py
index 8cf3b7f..be97d0c 100644
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ setup(
     entry_points={
         'bonobo.commands': [
             'convert = bonobo.commands.convert:register', 'init = bonobo.commands.init:register',
-            'graph = bonobo.commands.graph:register', 'run = bonobo.commands.run:register',
+            'inspect = bonobo.commands.inspect:register', 'run = bonobo.commands.run:register',
             'version = bonobo.commands.version:register'
         ],
         'console_scripts': ['bonobo = bonobo.commands:entrypoint']
diff --git a/tests/test_commands.py b/tests/test_commands.py
index daf245f..730bc0b 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -3,6 +3,7 @@ import runpy
 import sys
 from unittest.mock import patch
 
+import pathlib
 import pkg_resources
 import pytest
 
@@ -96,3 +97,30 @@ def test_version(runner, capsys):
     out = out.strip()
     assert out.startswith('bonobo ')
     assert __version__ in out
+
+
+@all_runners
+def test_run_with_env(runner, capsys):
+    runner(
+        'run', '--quiet',
+        str(pathlib.Path(os.path.dirname(__file__), 'util', 'get_passed_env.py')), '--env', 'ENV_TEST_NUMBER=123',
+        '--env', 'ENV_TEST_USER=cwandrews', '--env', "ENV_TEST_STRING='my_test_string'"
+    )
+    out, err = capsys.readouterr()
+    out = out.split('\n')
+    assert out[0] == 'cwandrews'
+    assert out[1] == '123'
+    assert out[2] == 'my_test_string'
+
+
+@all_runners
+def test_run_module_with_env(runner, capsys):
+    runner(
+        'run', '--quiet', '-m', 'tests.util.get_passed_env', '--env', 'ENV_TEST_NUMBER=123', '--env',
+        'ENV_TEST_USER=cwandrews', '--env', "ENV_TEST_STRING='my_test_string'"
+    )
+    out, err = capsys.readouterr()
+    out = out.split('\n')
+    assert out[0] == 'cwandrews'
+    assert out[1] == '123'
+    assert out[2] == 'my_test_string'
diff --git a/tests/util/get_passed_env.py b/tests/util/get_passed_env.py
new file mode 100644
index 0000000..d9c4ba6
--- /dev/null
+++ b/tests/util/get_passed_env.py
@@ -0,0 +1,22 @@
+import os
+
+from bonobo import Graph
+
+
+def extract():
+    env_test_user = os.getenv('ENV_TEST_USER')
+    env_test_number = os.getenv('ENV_TEST_NUMBER')
+    env_test_string = os.getenv('ENV_TEST_STRING')
+    return env_test_user, env_test_number, env_test_string
+
+
+def load(s: str):
+    print(s)
+
+
+graph = Graph(extract, load)
+
+if __name__ == '__main__':
+    from bonobo import run
+
+    run(graph)