diff --git a/app/models/environment.rb b/app/models/environment.rb
index 0f6e45c..4aa51bb 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -25,6 +25,8 @@ class Environment < ActiveRecord::Base
   has_many :categories
   has_many :display_categories, :class_name => 'Category', :conditions => 'display_color is not null and parent_id is null', :order => 'display_color'
 
+  has_many :regions
+
   has_many :role_assignments, :as => 'resource'
   def superior_intances
     [self, nil]
diff --git a/test/unit/environment_test.rb b/test/unit/environment_test.rb
index e9a5f36..27e67b9 100644
--- a/test/unit/environment_test.rb
+++ b/test/unit/environment_test.rb
@@ -121,6 +121,17 @@ class EnvironmentTest < Test::Unit::TestCase
     assert !env.display_categories.include?(cat2)
   end
 
+  should 'have regions' do
+    env = Environment.create!(:name => 'a test environment')
+    assert_kind_of Array, env.regions
+    assert_raise ActiveRecord::AssociationTypeMismatch do
+      env.regions << 1
+    end
+    assert_nothing_raised do
+      env.regions << Region.new
+    end
+  end
+
   should 'have a contact email' do
     env = Environment.new
     assert_nil env.contact_email
--
libgit2 0.21.2