title: Where do the Rails 3 environmental variables belong?
body: <p>I'm relatively new to Ruby on Rails 3 and hope to integrate Ambethia's Recaptcha plugin into my app.</p>
  
  <p>In following what looks like Rails 2 documentation, it's asked to place the following into environment.rb</p>
  
  <pre><code>ENV['RECAPTCHA_PUBLIC_KEY']  = '6Lc6BAAAAAAAAChqRbQZcn_yyyyyyyyyyyyyyyyy'
  ENV['RECAPTCHA_PRIVATE_KEY'] = '6Lc6BAAAAAAAAKN3DRm6VA_xxxxxxxxxxxxxxxxx'
  </code></pre>
  
  <p>Where exactly does this go in relation to the Rails 3 environment.rb file, which currently looks like the following:</p>
  
  <pre><code># Load the rails application
  require File.expand_path('../application', __FILE__)
  
  # Initialize the rails application
  Testapp::Application.initialize!
  </code></pre>