frankly I think if you want to focus this much on being green, your actual name should be green. So I would spin off as a separate site greenmailcentral.com and

frankly I think if you want to focus this much on being green, your actual name should be green. So I would spin off as a separate site greenmailcentral.com and link to that from your original site. And on the greenmailcentral.com site, I would let users pick some enviro related domains to use as their emails.