Some companies are seeking to green their data center operations by moving their data or their power load to a different geography entirely.  In some cases, they are turning to a new generation of outsourcing companies and other service providers.  What are the ingredients that make such approaches viable or doom them to failure?  Who can be counted on to do a good job?  Here is our green guide to service providers:  an interactive listing of some of the service providers that might be playing a role in your green IT initiative.