The Dutch embassy in Ireland, on Dublin’s Merrion Road, is typical of the many diplomatic missions scattered around the Ballsbridge area: A former period home, saddled over the years with less elegant extensions as the need for office space grew. The modern lobby encroaching into the back garden features a foosball table and a bar fitted with Heineken and Murphy’s beer taps, straight from the Dutch beverage group’s Cork brewery.  Ambassador Adriaan Palm says he is planning to have this section torn down and rebuilt to greener standards soon. “We will try to make our embassy building much more carbon…